Freed, M. N., Hess, R. K., & Ryan, J. M. (1989). The educator's desk reference (EDR): A sourcebook of educational information and research. American Council on Education.
Chicago Style (17. basım) AtıfFreed, Melvyn N., Robert K. Hess, ve Joseph M. Ryan. The Educator's Desk Reference (EDR): A Sourcebook of Educational Information and Research. New York: American Council on Education, 1989.
MLA (9th ed.) AtıfFreed, Melvyn N., et al. The Educator's Desk Reference (EDR): A Sourcebook of Educational Information and Research. American Council on Education, 1989.
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