APA aipamena

Benedict, M. R. (1956). The agricultural commodity programs. New York: The Twentieth Century Fund.

Chicago Style aipamena

Benedict, Murray R. The Agricultural Commodity Programs. New York: The Twentieth Century Fund, 1956.

MLA aipamena

Benedict, Murray R. The Agricultural Commodity Programs. New York: The Twentieth Century Fund, 1956.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.