Gaya APA

M.D, P, T., M.D, F, B, M. (1983). Happiness Is A Choice: A Manual on the Symptoms, Causes, and Cures of Depression (cetakan 1). Grand Rapids, Michigan: Baker Book House.

Gaya MLA

M.D, Paul, Tournier,., M.D, Frank, B., Minirth,. "Happiness Is A Choice: A Manual on the Symptoms, Causes, and Cures of Depression". cetakan 1 Grand Rapids, Michigan: Baker Book House, 1983. Text.