APA (7th ed.) Citation

WHELAN, Hasnizam Hussain, & Shahrazi Hasan. (2003). E-mel @ kerja: Panduan berguna mengendalikan e-mel anda. Prentice Hall.

Chicago Style (17th ed.) Citation

WHELAN, Hasnizam Hussain, and Shahrazi Hasan. E-mel @ Kerja: Panduan Berguna Mengendalikan E-mel Anda. PJ: Prentice Hall, 2003.

MLA (9th ed.) Citation

WHELAN, et al. E-mel @ Kerja: Panduan Berguna Mengendalikan E-mel Anda. Prentice Hall, 2003.