Ab Aziz Yusof. (2004). Prinsip keusahawanan (2nd.ed.). Petaling Jaya, Selangor: Prentice Hall.
Chicago Style CitationAb Aziz Yusof. Prinsip Keusahawanan. 2nd.ed. Petaling Jaya, Selangor: Prentice Hall, 2004.
MLA CitationAb Aziz Yusof. Prinsip Keusahawanan. 2nd.ed. Petaling Jaya, Selangor: Prentice Hall, 2004.
Warning: These citations may not always be 100% accurate.