APA (7th ed.) Zitazioa

Rescher, N. (2006). Studies in value theory. Ontos Verlag.

Chicago Style (17th ed.) Zitazioa

Rescher, Nicholas. Studies in Value Theory. Frankfurt ; New Brunswick: Ontos Verlag, 2006.

MLA (9th ed.) Zitazioa

Rescher, Nicholas. Studies in Value Theory. Ontos Verlag, 2006.