APA (7e ed.) Bronvermelding

Não informado. (2002). Business and commercial aviation. Ziff-Davis Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Business and Commercial Aviation. New York: Ziff-Davis Publishing, 2002.

MLA (8e ed.) Bronvermelding

Não informado. Business and Commercial Aviation. Ziff-Davis Publishing, 2002.

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