APA引文

(1979). Communication concepts and skills / Robert Hopper and Jack L. Whitehead, Jr.

Chicago Style (17th ed.) Citation

Communication Concepts and Skills / Robert Hopper and Jack L. Whitehead, Jr. 1979.

MLA引文

Communication Concepts and Skills / Robert Hopper and Jack L. Whitehead, Jr. 1979.

警告：這些引文格式不一定是100％准確.