Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.