Cita APA

Singer, H., Jennings, T., & Wood, J. (1987). Food Aid. The Challenge and the Opportunity. Oxford, England GB: Clarendon Press.

Citación estilo Chicago

Singer, Hans, Tony Jennings, y John Wood. Food Aid. The Challenge and the Opportunity. Oxford, England GB: Clarendon Press, 1987.

Cita MLA

Singer, Hans, Tony Jennings, y John Wood. Food Aid. The Challenge and the Opportunity. Oxford, England GB: Clarendon Press, 1987.