Cita APA (7th ed.)
Ryan, K., & Cooper, J. M. (1992). Those who can, teach (6th ed.). Houghton Mifflin.
Cita Chicago (17th ed.)
Ryan, Kevin, i James Michael Cooper. Those Who Can, Teach. 6th ed. Boston: Houghton Mifflin, 1992.
Cita MLA (9th ed.)
Ryan, Kevin, i James Michael Cooper. Those Who Can, Teach. 6th ed. Houghton Mifflin, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.