Murphy, Herta A.
Effective business communications
McGraw-Hill, 1976
Buku Teks SO
Murphy, Herta A.
Effective business communications
McGraw-Hill , 1984
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O`Hair, Dan
Strategic communication : in business and the professions
Kencana, 2009
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O`Hair, Dan
Strategic communication in business and the professions
Allyn and Bacon, 2011
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O`Hair, Dan
Strategic communication in business and the professions
Allyn and Bacon, 2011
Buku Teks SO