Gaya APA
Hill, Napoleon, Yusuf, Sugianto. (2012).
Rahasia Sukses Menjual Ala Napoleon Hill: How To Sell Your Way Through Life .
Jakarta:
Gramedia Pustaka Utama PT..
Gaya Chicago
Hill, Napoleon, Yusuf, Sugianto.
Rahasia Sukses Menjual Ala Napoleon Hill: How To Sell Your Way Through Life.
Jakarta:
Gramedia Pustaka Utama PT.,
2012.
Text.
Gaya MLA
Hill, Napoleon, Yusuf, Sugianto.
Rahasia Sukses Menjual Ala Napoleon Hill: How To Sell Your Way Through Life.
Jakarta:
Gramedia Pustaka Utama PT.,
2012.
Text.
Gaya Turabian
Hill, Napoleon, Yusuf, Sugianto.
Rahasia Sukses Menjual Ala Napoleon Hill: How To Sell Your Way Through Life.
Jakarta:
Gramedia Pustaka Utama PT.,
2012.
Print.