APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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