Christensen, M., & Christensen, W. (2007). Be a network marketing superstar: The one book you need to make more money than you ever thought possible. AMACOM.
Dyfyniad Arddull ChicagoChristensen, Mary, and Wayne Christensen. Be a Network Marketing Superstar: The One Book You Need to Make More Money than You Ever Thought Possible. New York: AMACOM, 2007.
Dyfyniad MLAChristensen, Mary, and Wayne Christensen. Be a Network Marketing Superstar: The One Book You Need to Make More Money than You Ever Thought Possible. AMACOM, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.