U. La Roche and H. L. La Roche, "Induced Drag Reduction Using Multiple Winglets, Looking Beyond the Prandtl-Munk Linear Model," in 2nd AIAA Flow Control Conference, 2004, p. 2120.
 D. Bushnell, "Aircraft drag reduction—a review," Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, vol. 217, no. 1, pp. 1-18, 2003.
 J. D. Anderson Jr, Fundamentals of aerodynamics. Tata McGraw-Hill Education, 2010.
 K. A. Al Sidairi and G. Rameshkumar, "Design of Winglet Device for Aircraft," International Journal of Multidisciplinary Sciences and Engineering, vol. 7, no. 1, 2016.
 M. A. Cancino Queirolo, "Impact of Morphing Winglets on Aircraft Performance," 2018.
 P. Pragati and S. Baskar, "Aerodynamic analysis of blended winglet for low speed aircraft," in Proceedings of the World Congress on Engineering, 2015, vol. 2.
 M. H. Sohn and J. W. Chang, "Visualization and PIV study of wing-tip vortices for three different tip configurations," Aerospace Science and Technology, vol. 16, no. 1, pp. 40-46, 2012.
 P. Paudel, "Aerodynamic aspects in the development of morphing winglet for a regional aircraft," Dept. App. Sci. Aerospace. Eng. Ryerson University, 2013.
 H. S. Helal, E. E. Khalil, O. E. Abdellatif, and G. M. Elhariry, "Aerodynamic Analyses of Aircraft-Blended Winglet Performance," IOSR J. Mech. Civ. Eng. Ver, vol. 13, no. 3, pp. 2320-334, 2016.
 J. Halpert, D. Prescott, T. Yechout, and M. Arndt, "Aerodynamic optimization and evaluation of KC-135R winglets, raked wingtips, and a wingspan extension," in 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, 2010, p. 57.
 N. N. Gavrilović, B. P. Rašuo, G. S. Dulikravich, and V. B. Parezanović, "Commercial aircraft performance improvement using winglets," FME Transactions, vol. 43, no. 1, pp. 1-8, 2015.
 G. Narayan and B. John, "Effect of winglets induced tip vortex structure on the performance of subsonic wings," Aerospace Science and Technology, vol. 58, pp. 328-340, 2016.
 M. A. Azlin, C. M. Taib, S. Kasolang, and F. Muhammad, "CFD analysis of winglets at low subsonic flow," in Proceedings of the World Congress on Engineering, 2011, vol. 1, pp. 6-8.
 J. C. Patterson Jr, "Wingtip Vortex Turbine," ed: Google Patents, 1990.