APA (7e ed.) Bronvermelding

Não informado. (1999). The Leading Edge. Society of Exploration Geophysicists.

Chicago (17e ed.) Bronvermelding

Não informado. The Leading Edge. Tulsa, Okla: Society of Exploration Geophysicists, 1999.

MLA (8e ed.) Bronvermelding

Não informado. The Leading Edge. Society of Exploration Geophysicists, 1999.

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