APA引文

Verderber, R. (2008). The challenge of effective speaking (Fourteenth edition.). Belmont, CA: Cengage Learning.

Chicago Style Citation

Verderber, Rudolph. The Challenge of Effective Speaking. Fourteenth edition. Belmont, CA: Cengage Learning, 2008.

MLA引文

Verderber, Rudolph. The Challenge of Effective Speaking. Fourteenth edition. Belmont, CA: Cengage Learning, 2008.

警告：這些引文格式不一定是100％准確.