Deismireacht APA

 Harrington, D. (2009).  Speaking of speech: Basic presentation skills for beginners.  Macmillan Languagehouse Ltd.

Trích dẫn kiểu Chicago

 Harrington, David.  Speaking of Speech: Basic Presentation Skills for Beginners.  Macmillan Languagehouse Ltd, 2009.

Deismireacht MLA

 Harrington, David.  Speaking of Speech: Basic Presentation Skills for Beginners.  Macmillan Languagehouse Ltd, 2009.

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