Παραπομπή APA

Tierney, E. P. (1996). How to make effective presentations(vol16). Sage.

Παραπομπή Chicago Style

Tierney, Elizabeth P. How to Make Effective Presentations(vol16). Thousand Oaks: Sage, 1996.

Παραπομπή MLA

Tierney, Elizabeth P. How to Make Effective Presentations(vol16). Sage, 1996.