Bright, W. R. (1965). Teacher's manual for the basic steps toward christian maturity. Campus crusade for christ international.
Chicago Style (17. basım) AtıfBright, William R. Teacher's Manual for the Basic Steps Toward Christian Maturity. Arrowhead spring: Campus crusade for christ international, 1965.
MLA (9th ed.) AtıfBright, William R. Teacher's Manual for the Basic Steps Toward Christian Maturity. Campus crusade for christ international, 1965.
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