APA-referens (7:e uppl.)

Powell M. Mark. (1999). Presenting in English: How to give successful presentations. LTP Business, 1999.

Chicago-referens (17:e uppl.)

Powell M. Mark. Presenting in English: How to Give Successful Presentations. LTP Business, 1999, 1999.

MLA-referens (9:e uppl.)

Powell M. Mark. Presenting in English: How to Give Successful Presentations. LTP Business, 1999, 1999.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.