Harvard, J., & Rose, F. (2001). Guide to professional and business corresondence: Inggris - Indonesia. PPM.
Chicago Style (17th ed.) CitationHarvard, Joseph, and Filix Rose. Guide to Professional and Business Corresondence: Inggris - Indonesia. PPM, 2001.
MLA (8th ed.) CitationHarvard, Joseph, and Filix Rose. Guide to Professional and Business Corresondence: Inggris - Indonesia. PPM, 2001.
Warning: These citations may not always be 100% accurate.