APA استشهاد

Marvin C Alkin. (1992). Encyclopaedia of educational research (v.1) (6 th ed.). Macmillan.

استشهاد بنمط شيكاغو

Marvin C Alkin. Encyclopaedia of Educational Research (v.1). 6 th ed. New York: Macmillan, 1992.

MLA استشهاد

Marvin C Alkin. Encyclopaedia of Educational Research (v.1). 6 th ed. Macmillan, 1992.