Hill, N. (2012). How to sell your way through life: Rahasia menjual sukses ala Napoleon Hill. Gramedia.
Chicagoスタイル(17版)引用形式Hill, Napoleon. How to Sell Your Way Through Life: Rahasia Menjual Sukses Ala Napoleon Hill. Gramedia, 2012.
MLA(8版)引用形式Hill, Napoleon. How to Sell Your Way Through Life: Rahasia Menjual Sukses Ala Napoleon Hill. Gramedia, 2012.
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