Lua APA (7ú heag.)

Hansen, D. A., & Gerstl, J. E. (1967). On educational-sociological perspectives. Wiley.

Lua i Stíl Chicago (17ú heag.)

Hansen, Donald A., agus Joel E. Gerstl. On Educational-sociological Perspectives. New York: Wiley, 1967.

Lua MLA (9ú heag.)

Hansen, Donald A., agus Joel E. Gerstl. On Educational-sociological Perspectives. Wiley, 1967.

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