APA (7e ed.) Bronvermelding

Não informado. (1979). AAPG explorer. American Association of Petroleum Geologists.

Chicago (17e ed.) Bronvermelding

Não informado. AAPG Explorer. Tulsa, Okla: American Association of Petroleum Geologists, 1979.

MLA (8e ed.) Bronvermelding

Não informado. AAPG Explorer. American Association of Petroleum Geologists, 1979.

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