Armstrong, D. G., & Henson, K. T. (1985). Education: An introduction (2nd.ed.). Macmillan.
Lua i Stíl Chicago (17ú heag.)Armstrong, David G., agus Kenneth T. Henson. Education: An Introduction. 2nd.ed. New York: Macmillan, 1985.
Lua MLA (9ú heag.)Armstrong, David G., agus Kenneth T. Henson. Education: An Introduction. 2nd.ed. Macmillan, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.