Gaya APA

FREED, M, N. et al (1989). The Educator's desk Reference (EDR) : A Sourcebook Of Educational Information And Research. . New York: Palgrave Macmillan.

Gaya MLA

FREED, Melvyn, N.. et al. "The Educator's desk Reference (EDR) : A Sourcebook Of Educational Information And Research.". New York: Palgrave Macmillan, 1989. Text.