APA aipamena

Ingram, D. (1965). The Communist economic challenge. New York: F. A. Praeger.

Chicago Style aipamena

Ingram, David. The Communist Economic Challenge. New York: F. A. Praeger, 1965.

MLA aipamena

Ingram, David. The Communist Economic Challenge. New York: F. A. Praeger, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.