APA引文

Gropper, G. L. (1974). Instructional strategies. Educational Technology.

Chicago Style (17th ed.) Citation

Gropper, George L. Instructional Strategies. New Jersey: Educational Technology, 1974.

MLA引文

Gropper, George L. Instructional Strategies. Educational Technology, 1974.

警告：這些引文格式不一定是100％准確.