APA ציטוט

 Willoams, E. J. (2008).  Presentations in English.  Macmillan.

Trích dẫn kiểu Chicago

 Willoams, Erica J.  Presentations in English.  Macmillan, 2008.

ציטוט MLA

 Willoams, Erica J.  Presentations in English.  Macmillan, 2008.