Armstrong, D. G., & Henson, K. T. (1985). Education: An introduction (2nd.ed.). Macmillan.
Chicago Style (17th ed.) ZitazioaArmstrong, David G., eta Kenneth T. Henson. Education: An Introduction. 2nd.ed. New York: Macmillan, 1985.
MLA (9th ed.) ZitazioaArmstrong, David G., eta Kenneth T. Henson. Education: An Introduction. 2nd.ed. Macmillan, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.