Gaya APA

Johnson, S, R., Proceedings, W, F, C, (, W, F, C. (1989). World food conference proceedings: volume 1 : Policy addresses . : Iowa State University Press.

Gaya MLA

Johnson, Stanley, R.., Proceedings, World, Food, Conference, (1980-1988), World, Food, Conference. "World food conference proceedings: volume 1 : Policy addresses". : Iowa State University Press, 1989. Textbook.