Ab.Aziz Yusof. (2003). Prinsip keusahawaan. Petaling Jaya: Prentice Hall (M) Sdn.Bhd..
Chicago Style CitationAb.Aziz Yusof. Prinsip Keusahawaan. Petaling Jaya: Prentice Hall (M) Sdn.Bhd., 2003.
MLA CitationAb.Aziz Yusof. Prinsip Keusahawaan. Petaling Jaya: Prentice Hall (M) Sdn.Bhd., 2003.
Warning: These citations may not always be 100% accurate.