Bright, W. R. (1965). Teacher's manual for the Ten basic steps toward Christian maturity. Campus Crusade For Christ International.
Chicago-referens (17:e uppl.)Bright, William R. Teacher's Manual for the Ten Basic Steps Toward Christian Maturity. Califonia: Campus Crusade For Christ International, 1965.
MLA-referens (9:e uppl.)Bright, William R. Teacher's Manual for the Ten Basic Steps Toward Christian Maturity. Campus Crusade For Christ International, 1965.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.