APA aipamena

(2004). Academic periodicals collection. Massacgusetts: Ebsco.

Chicago Style aipamena

Academic Periodicals Collection. Massacgusetts: Ebsco, 2004.

MLA aipamena

Academic Periodicals Collection. Massacgusetts: Ebsco, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.