M. Sabri Yusof. (2007). Law for administrator and business (2nd ed.). Prentice Hall.

M. Sabri Yusof. Law for Administrator and Business. 2nd ed. Petaling Jaya: Prentice Hall, 2007.

M. Sabri Yusof. Law for Administrator and Business. 2nd ed. Prentice Hall, 2007.