Gaya APA

Wilhite, D, A, (., Easterling, W, E, (. (1987). Planning for drought : toward a dreduction of societal vulnerability . London: Westview Press.

Gaya MLA

Wilhite, Donald, A, (editor)., Easterling, William, E, (editor). "Planning for drought : toward a dreduction of societal vulnerability". London: Westview Press, 1987. Text.