Gaya APA

Collins, J. (2016). The simple path to wealth: your road map to financial independence and a rich, free life . the United States of America: JLcollinsnh.com.

Gaya MLA

Collins, J.L.. "The simple path to wealth: your road map to financial independence and a rich, free life". the United States of America: JLcollinsnh.com, 2016. Koleksi Elektronik.