APA (7th ed.) Zitazioa

Edited by Wilhitc , D. A. (2000). Drought: A global assessment. Routledge.

Chicago Style (17th ed.) Zitazioa

Edited by Wilhitc , Donald A. Drought: A Global Assessment. London: Routledge, 2000.

MLA (9th ed.) Zitazioa

Edited by Wilhitc , Donald A. Drought: A Global Assessment. Routledge, 2000.