APA aipamena

(2008). HR [human resources] Excellence 2007. Salemba Empat.

Chicago Style aipamena

HR [human Resources] Excellence 2007. Salemba Empat, 2008.

MLA aipamena

HR [human Resources] Excellence 2007. Salemba Empat, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.