Larsson, T. (2010). The Six Figure Sales Funnel: The ultimate big profit customer keeping lead generating small business marketing system. [Selbstverlag].
Chicago Style (17th ed.) CitationLarsson, Tanner. The Six Figure Sales Funnel: The Ultimate Big Profit Customer Keeping Lead Generating Small Business Marketing System. [s.l.]: [Selbstverlag], 2010.
MLA (9th ed.) CitationLarsson, Tanner. The Six Figure Sales Funnel: The Ultimate Big Profit Customer Keeping Lead Generating Small Business Marketing System. [Selbstverlag], 2010.
Warning: These citations may not always be 100% accurate.