APA aipamena

McEACHERN, W. A. (1988). Economics A Contemporary Introduction William A. Mcearchern. South-Western.

Chicago Style aipamena

McEACHERN, William A. Economics A Contemporary Introduction William A. Mcearchern. South-Western, 1988.

MLA aipamena

McEACHERN, William A. Economics A Contemporary Introduction William A. Mcearchern. South-Western, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.