COLLEEN,Mckenna. (2003). POWERFUL COMMUNICATION SKILLS: How to Communicate with confidence. VIVA BOOKS PRIVATE LIMITED.
シカゴスタイル引用形COLLEEN,Mckenna. POWERFUL COMMUNICATION SKILLS: How to Communicate with Confidence. NEW DELHI: VIVA BOOKS PRIVATE LIMITED, 2003.
MLA引用形式COLLEEN,Mckenna. POWERFUL COMMUNICATION SKILLS: How to Communicate with Confidence. VIVA BOOKS PRIVATE LIMITED, 2003.
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