APA aipamena

De Blij, H. J. (1980). The Earth a topical geography. John Willey r Sons.

Chicago Style aipamena

De Blij, Harm J. The Earth a Topical Geography. John Willey r Sons, 1980.

MLA aipamena

De Blij, Harm J. The Earth a Topical Geography. John Willey r Sons, 1980.