Cita APA (7th ed.)

Ehrenborg,Jons, & Mattock,John. (1997). Powerful presentation skills: Simple ideas for making a real impact (2nd edition[South Asian edition 2000].). Career Press; Kogan Page.

Cita Chicago (17th ed.)

Ehrenborg,Jons, i Mattock,John. Powerful Presentation Skills: Simple Ideas for Making a Real Impact. 2nd edition[South Asian edition 2000]. Hawthorne, NJ ; New Delhi: Career Press; Kogan Page, 1997.

Cita MLA (8th ed.)

Ehrenborg,Jons, i Mattock,John. Powerful Presentation Skills: Simple Ideas for Making a Real Impact. 2nd edition[South Asian edition 2000]. Career Press; Kogan Page, 1997.