Cita APA (7a ed.)
Hay, M. I. (1977). Now why did I do that?: The Biblical basis of motivation. Sudan Interior Mission.
Cita Chicago Style (17a ed.)
Hay, M. Ian. Now Why Did I Do That?: The Biblical Basis of Motivation. Cedar Grove: Sudan Interior Mission, 1977.
Cita MLA (9a ed.)
Hay, M. Ian. Now Why Did I Do That?: The Biblical Basis of Motivation. Sudan Interior Mission, 1977.
Precaución: Estas citas no son 100% exactas.