APA (7e ed.) Bronvermelding

Não informado. (1970). Pipeline and Gas Journal. Petroleum Engineer Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Pipeline and Gas Journal. Dallas, Tex: Petroleum Engineer Publishing, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Pipeline and Gas Journal. Petroleum Engineer Publishing, 1970.

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