BUSINESS LAW
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- Keenan, D. (2006). Smith and Keenans Law for Business (13th ed.). UK: Pearson and Longman.
- Wu, M. A. & Vohrah, B. (2000). The Commercial Law of Malaysia [1] (2nd ed.). Selangor: Pearson and Longman. (TSDAS Digital Library: KPG856 Voh)
- Harlina Mohamed On & Rozanah Ab. Rahman. (2007). Undang-Undang Perniagaan Malaysia. Selangor: Kumpulan Usahawan Muslim Sdn. Bhd.
- Guest, A. G.(1988). Ansons Law of Contract (26th ed.). Singapore: Oxford University Press.