Zingher, G. (1995). The Joy and Dread of Lessons.
Cita Chicago Style (17a ed.)Zingher, Gary. The Joy and Dread of Lessons. 1995.
Cita MLA (9a ed.)Zingher, Gary. The Joy and Dread of Lessons. 1995.
Precaución: Estas citas no son 100% exactas.
Cita APA (7a ed.)