APA (7e ed.) Bronvermelding

Phillips, J. (1991). Physical geology and palaeontology: Theoretical and practical. Aksoshdeep.

Chicago (17e ed.) Bronvermelding

Phillips, John. Physical Geology and Palaeontology: Theoretical and Practical. New Delhi: Aksoshdeep, 1991.

MLA (9e ed.) Bronvermelding

Phillips, John. Physical Geology and Palaeontology: Theoretical and Practical. Aksoshdeep, 1991.

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