Cita APA (7a ed.)
Armstrong, D. G., & Savage, T. V. (1990). Secondary education: An introduction (2nd ed.). Macmillan.
Cita Chicago Style (17a ed.)
Armstrong, David G., y Tom V. Savage. Secondary Education: An Introduction. 2nd ed. New York: Macmillan, 1990.
Cita MLA (9a ed.)
Armstrong, David G., y Tom V. Savage. Secondary Education: An Introduction. 2nd ed. Macmillan, 1990.
Precaución: Estas citas no son 100% exactas.