Gaya APA

inc., G, I., Nicholls, A. (2003). Grolier business library Mastering public speaking. How to prepare and deliver a successful speech or presentation . : grolier int'l.

Gaya MLA

inc., Grolier, International., Nicholls, Anne. "Grolier business library Mastering public speaking. How to prepare and deliver a successful speech or presentation". : grolier int'l, 2003. Text.