Whelan, J., Husnizam Hussain, & Shahrazi Hasan. (2003). E-mel @ kerja: Panduan berguna mengendalikan e-mel anda. Prentice Hall.
Chicagoスタイル(17版)引用形式Whelan, Jonathan, Husnizam Hussain, , Shahrazi Hasan. E-mel @ Kerja: Panduan Berguna Mengendalikan E-mel Anda. London: Prentice Hall, 2003.
MLA(8版)引用形式Whelan, Jonathan, et al. E-mel @ Kerja: Panduan Berguna Mengendalikan E-mel Anda. Prentice Hall, 2003.
警告: この引用は必ずしも正確ではありません.