APA aipamena

Ojala,E.M. (1952). Agriculture And Economic Progress (Ist Edition,1952.). Oxford University.

Chicago Style aipamena

Ojala,E.M. Agriculture And Economic Progress. Ist Edition,1952. London: Oxford University, 1952.

MLA aipamena

Ojala,E.M. Agriculture And Economic Progress. Ist Edition,1952. Oxford University, 1952.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.