HARIWIJAYA, M. Network marketing: Mencapai passive income melalui pemasaran jaringan. Pyramid Publishers.
Chicago Style (17th ed.) CitationHARIWIJAYA, M. Network Marketing: Mencapai Passive Income Melalui Pemasaran Jaringan. Pyramid Publishers.
MLA (8th ed.) CitationHARIWIJAYA, M. Network Marketing: Mencapai Passive Income Melalui Pemasaran Jaringan. Pyramid Publishers.
Warning: These citations may not always be 100% accurate.