APA (7e ed.) Bronvermelding

Burchfiel, B. C. (1982). Physical geology: The structure and processes of the earth. Merrill Pub.

Chicago (17e ed.) Bronvermelding

Burchfiel, B. C. Physical Geology: The Structure and Processes of the Earth. Columbus: Merrill Pub, 1982.

MLA (9e ed.) Bronvermelding

Burchfiel, B. C. Physical Geology: The Structure and Processes of the Earth. Merrill Pub, 1982.

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