Christensen, M. (2007). Be a network marketing superstar: The one book you need to make more money than you ever thought possible. New York, NY: AMACOM.
Chicago Stili AlıntıChristensen, Mary. Be a Network Marketing Superstar: The One Book You Need to Make More Money Than You Ever Thought Possible. New York, NY: AMACOM, 2007.
MLA AlıntıChristensen, Mary. Be a Network Marketing Superstar: The One Book You Need to Make More Money Than You Ever Thought Possible. New York, NY: AMACOM, 2007.
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