Citazione Stile APA (7a Edizione)

Singer, H. W. (1987). Food aid: The challenge and the opportunity. Clarendon Press.

Citazione stile Chigago Style (17a edizione)

Singer, Hans Wolfgang. Food Aid: The Challenge and the Opportunity. Oxford: Clarendon Press, 1987.

Citatione MLA (9a ed.)

Singer, Hans Wolfgang. Food Aid: The Challenge and the Opportunity. Clarendon Press, 1987.