Rubino, J., & Terhune, 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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Rubino, Joe, και John Terhune. 15 Secrets Every Network Marketer Must Know: Essential Elements and Skills Required to Achieve 6- & 7-figure Success in Network Marketing. Hoboken, N.J.: John Wiley & Sons, 2006.
Παραπομπή σε μορφή MLA (8th εκδ.)Rubino, Joe, και John Terhune. 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.
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