Cita APA (7th ed.)
Prouty, R. Helicopter aerodynamics. Sterling Book House.
Cita Chicago (17th ed.)
Prouty, R.W. Helicopter Aerodynamics. Mumbai: Sterling Book House.
Cita MLA (9th ed.)
Prouty, R.W. Helicopter Aerodynamics. Sterling Book House.
Atenció: Aquestes cites poden no estar 100% correctes.