Gaya APA

GUFFEYS, Marry Ellen. (2007). ESSENTIALS OF BUSINESS COMMUNICATION (7). : .

Gaya Chicago

GUFFEYS, Marry Ellen. ESSENTIALS OF BUSINESS COMMUNICATION. 7 : , 2007. Text.

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GUFFEYS, Marry Ellen. ESSENTIALS OF BUSINESS COMMUNICATION. 7 : , 2007. Text.

Gaya Turabian

GUFFEYS, Marry Ellen. ESSENTIALS OF BUSINESS COMMUNICATION. 7 : , 2007. Print.