APA aipamena

Odell, P. R. (1970). Oil and World Power: A geographical interpretation. Penguin.

Chicago Style aipamena

Odell, Peter R. Oil and World Power: A Geographical Interpretation. England: Penguin, 1970.

MLA aipamena

Odell, Peter R. Oil and World Power: A Geographical Interpretation. Penguin, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.