APA-referens (7:e uppl.)

Freedman, B., & Freedman, N. (2002). The search for joyful (Berkley hardcover edition.). Berkley Books.

Chicago-referens (17:e uppl.)

Freedman, Benedict, och Nancy Freedman. The Search for Joyful. Berkley hardcover edition. New York: Berkley Books, 2002.

MLA-referens (9:e uppl.)

Freedman, Benedict, och Nancy Freedman. The Search for Joyful. Berkley hardcover edition. Berkley Books, 2002.