APA (7e ed.) Bronvermelding

Não informado. (1953). Northeast Africa series. American University Field Staff.

Chicago (17e ed.) Bronvermelding

Não informado. Northeast Africa Series. New York: American University Field Staff, 1953.

MLA (8e ed.) Bronvermelding

Não informado. Northeast Africa Series. American University Field Staff, 1953.

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