APA aipamena

Shaffer, H. G. (1977). Soviet agriculture: An assessment of its contributions to economic development. Praeger.

Chicago Style aipamena

Shaffer, Harry G. Soviet Agriculture: An Assessment of Its Contributions to Economic Development. New York: Praeger, 1977.

MLA aipamena

Shaffer, Harry G. Soviet Agriculture: An Assessment of Its Contributions to Economic Development. Praeger, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.