APA aipamena

Hodgdon Bradley, J. (1960). World Geography (First edition.).

Chicago Style aipamena

Hodgdon Bradley, John. World Geography. First edition. 1960, 1960.

MLA aipamena

Hodgdon Bradley, John. World Geography. First edition. 1960.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.