APA (7th ed.) Zitazioa
Prouty, R. Helicopter aerodynamics. Sterling Book House.
Chicago Style (17th ed.) Zitazioa
Prouty, R.W. Helicopter Aerodynamics. Mumbai: Sterling Book House.
MLA (9th ed.) Zitazioa
Prouty, R.W. Helicopter Aerodynamics. Sterling Book House.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.