APA aipamena

Warf, B. E. (2006). Encyclopedia of human geography.

Chicago Style aipamena

Warf, Barney; Editor. Encyclopedia of Human Geography. California, Sage Publications Inc, 2006.

MLA aipamena

Warf, Barney; Editor. Encyclopedia of Human Geography. 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.