APA (7e ed.) Bronvermelding

Não informado. (1956). Marine Engineering/Log. Simmons Boardman Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Marine Engineering/Log. Bristol, Conn: Simmons Boardman Publishing, 1956.

MLA (8e ed.) Bronvermelding

Não informado. Marine Engineering/Log. Simmons Boardman Publishing, 1956.

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