Hill, N. (1997). Berfikir kearah kejayaan. Thinker Library.
Chicago Style (17th ed.) CitationHill, Napoleon. Berfikir Kearah Kejayaan. Selangor: Thinker Library, 1997.
MLA (8th ed.) CitationHill, Napoleon. Berfikir Kearah Kejayaan. Thinker Library, 1997.
Warning: These citations may not always be 100% accurate.