APA aipamena

Loucks, W. N. (1957). Comparative economic systems (5,6.).

Chicago Style aipamena

Loucks, William N. Comparative Economic Systems. 5,6. 1957.

MLA aipamena

Loucks, William N. Comparative Economic Systems. 5,6. 1957.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.