Ryan, K., & Cooper, J. M. (1992). Those who can, teach (6th ed.). Houghton Mifflin.
Chicago Style (17. basım) AtıfRyan, Kevin, ve James Michael Cooper. Those Who Can, Teach. 6th ed. Boston: Houghton Mifflin, 1992.
MLA (9th ed.) AtıfRyan, Kevin, ve James Michael Cooper. Those Who Can, Teach. 6th ed. Houghton Mifflin, 1992.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..