Verderber, R. F., & Sellnow, D. D. (2018). The challenge of effective speaking in a digital age. Boston, MA: Cengage Learning.
Trích dẫn kiểu ChicagoVerderber, Rudolph F., và Deanna D. Sellnow. The Challenge of Effective Speaking in a Digital Age. Boston, MA: Cengage Learning, 2018.
MLA引文Verderber, Rudolph F., và Deanna D. Sellnow. The Challenge of Effective Speaking in a Digital Age. Boston, MA: Cengage Learning, 2018.
警告：這些引文格式不一定是100％准確.