APA (7th ed.) Zitazioa

Lewis,C. S. (1996). A grief observed (ed.). Bantam.

Chicago Style (17th ed.) Zitazioa

Lewis,C. S. A Grief Observed. ed. New York: Bantam, 1996.

MLA (9th ed.) Zitazioa

Lewis,C. S. A Grief Observed. ed. Bantam, 1996.