Rubino, J. (2006). 15 secrets every network marketer must know: Essential elements and skills required to achieve 6- & 7-figure success in network marketing. John Wiley & Sons.
Chicago ZitierstilRubino, Joe. 15 Secrets Every Network Marketer Must Know: Essential Elements and Skills Required to Achieve 6- & 7-figure Success in Network Marketing. John Wiley & Sons, 2006.
MLA ZitierstilRubino, Joe. 15 Secrets Every Network Marketer Must Know: Essential Elements and Skills Required to Achieve 6- & 7-figure Success in Network Marketing. John Wiley & Sons, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.