Whelan, J. (2003). E-mel@kerja: Panduan berguna mengendalikan e-mel anda. Prentice-Hall.
Chicago Style (17th ed.) CitationWhelan, Jonathan. E-mel@kerja: Panduan Berguna Mengendalikan E-mel Anda. Petaling Jaya: Prentice-Hall, 2003.
MLA (8th ed.) CitationWhelan, Jonathan. E-mel@kerja: Panduan Berguna Mengendalikan E-mel Anda. Prentice-Hall, 2003.
Warning: These citations may not always be 100% accurate.