APA (7th ed.) Zitazioa

Klein, H. E. (1989). Case method research and case method application. Wacra.

Chicago Style (17th ed.) Zitazioa

Klein, Hans E. Case Method Research and Case Method Application. Needham: Wacra, 1989.

MLA (9th ed.) Zitazioa

Klein, Hans E. Case Method Research and Case Method Application. Wacra, 1989.