APA (7th ed.) Zitazioa

Olsen, W. C. (1991). Agricultural economics and rural sociology: The contemporary core literature. Cornell Univ..

Chicago Style (17th ed.) Zitazioa

Olsen, Wallace C. Agricultural Economics and Rural Sociology: The Contemporary Core Literature. London: Cornell Univ., 1991.

MLA (9th ed.) Zitazioa

Olsen, Wallace C. Agricultural Economics and Rural Sociology: The Contemporary Core Literature. Cornell Univ., 1991.