APA ציטוט

 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.

ציטוט MLA

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