Coba jelasin Nota dari Pekali seret dalam bahasa melayu dong

Clancy, L. J. (1975): Aerodynamics. Pitman Publishing Limited, London, ISBN 0-273-01120-0

Abbott, Ira H., and Von Doenhoff, Albert E. (1959): Theory of Wing Sections. Dover Publications Inc., New York, Standard Book Number 486-60586-8

Hoerner, S. F. (1965): Fluid-Dynamic Drag. Hoerner Fluid Dynamics, Brick Town, N. J., USA