APA引文

Wittich, W. A. (1958). Audivisual materials: Their nature and use. Harper y Row.

Chicago Style (17th ed.) Citation

Wittich, Walter A. Audivisual Materials: Their Nature and Use. New York: Harper y Row, 1958.

MLA引文

Wittich, Walter A. Audivisual Materials: Their Nature and Use. Harper y Row, 1958.

警告：這些引文格式不一定是100％准確.