Tohutoro APA (7th ed.)
Kaul, A. (2007). Effective business communication. Prentice Hall.
Tohutoru Kātū Chicago (17th ed.)
Kaul, Asha. Effective Business Communication. New Delhi: Prentice Hall, 2007.
Tohutoro MLA (9th ed.)
Kaul, Asha. Effective Business Communication. Prentice Hall, 2007.
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