Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.