Armstrong, D. G., & Henson, K. T. (1985). Education: An introduction (2nd.ed.). Macmillan.

Armstrong, David G., and Kenneth T. Henson. Education: An Introduction. 2nd.ed. New York: Macmillan, 1985.

Armstrong, David G., and Kenneth T. Henson. Education: An Introduction. 2nd.ed. Macmillan, 1985.