Gaya APA

SUGIANTO,YUSUF, . (2010). HOW TO SELL YOUR WAY THROUGH LIFE : RAHASIA SUKSES MENJUAL ALA NAPOLEON HILL (cet.3/ 2010). Jakarta: PT.GRAMEDIA PUSTAKA UTAMA.

Gaya MLA

SUGIANTO,YUSUF, . "HOW TO SELL YOUR WAY THROUGH LIFE : RAHASIA SUKSES MENJUAL ALA NAPOLEON HILL". cet.3/ 2010 Jakarta: PT.GRAMEDIA PUSTAKA UTAMA, 2010. Text.