APA (7e ed.) Bronvermelding

Foster, N. H. (1991). Stratigraphic traps II. American Association of Petroleum Geologists.

Chicago (17e ed.) Bronvermelding

Foster, Norman H. Stratigraphic Traps II. Tulsa, Okla: American Association of Petroleum Geologists, 1991.

MLA (9e ed.) Bronvermelding

Foster, Norman H. Stratigraphic Traps II. American Association of Petroleum Geologists, 1991.

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