APA aipamena

Beach, E. F. (1957). Economic models: An exposition. New York: Wiley.

Chicago Style aipamena

Beach, Earl Francis. Economic Models: An Exposition. New York: Wiley, 1957.

MLA aipamena

Beach, Earl Francis. Economic Models: An Exposition. New York: Wiley, 1957.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.