Gaya APA
Rahasia Sukses Menjual ala Napoleon Hill : How to sell your way through life. (2010).
:
PT Gramedia Pustaka Utama.
Gaya MLA
Rahasia Sukses Menjual ala Napoleon Hill : How to sell your way through life.
Cetakan Pertama.
:
PT Gramedia Pustaka Utama,
2010.
Text.