APA aipamena

O'Connor, A. M. (1978). The geography of tropical african development (Second Edition.). ELSEVIER.

Chicago Style aipamena

O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.

MLA aipamena

O'Connor, A. M. The Geography of Tropical African Development. Second Edition. ELSEVIER, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.