APA (7th ed.) Zitazioa

Zaitchik, J. A., & Wiehe, R. E. (1993). Human values: Perspectives on six themes. WCB.

Chicago Style (17th ed.) Zitazioa

Zaitchik, Joseph A., eta Roger E. Wiehe. Human Values: Perspectives on Six Themes. Wisconsin: WCB, 1993.

MLA (9th ed.) Zitazioa

Zaitchik, Joseph A., eta Roger E. Wiehe. Human Values: Perspectives on Six Themes. WCB, 1993.