Mumford, B. (1973). The purpose of temptation. Fleming H.Revell.
Cita Chicago (17th ed.)Mumford, Bob. The Purpose of Temptation. Old Tappan: Fleming H.Revell, 1973.
Cita MLA (9th ed.)Mumford, Bob. The Purpose of Temptation. Fleming H.Revell, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.