克里斯坦森. (2006). 直销致富: Make your first million in network marketing. 中国广播电视出版社.
Chicago (17e ed.) Bronvermelding克里斯坦森. 直销致富: Make Your First Million in Network Marketing. 中国广播电视出版社, 2006.
MLA (8e ed.) Bronvermelding克里斯坦森. 直销致富: Make Your First Million in Network Marketing. 中国广播电视出版社, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.