APA (7e ed.) Bronvermelding

Não informado. (1956). Journal of the American Helicopter Society. American Helicopter Society.

Chicago (17e ed.) Bronvermelding

Não informado. Journal of the American Helicopter Society. Washington: American Helicopter Society, 1956.

MLA (8e ed.) Bronvermelding

Não informado. Journal of the American Helicopter Society. American Helicopter Society, 1956.

Let op: Deze citaties zijn niet altijd 100% accuraat.