Lua APA (7ú heag.)

ALKIN, M. C. [. (1992). Encyclopedia of educational research 1.-- Ed.6. Macmillan.

Lua i Stíl Chicago (17ú heag.)

ALKIN, Marvin C. [Ed.]. Encyclopedia of Educational Research 1.-- Ed.6. New York: Macmillan, 1992.

Lua MLA (9ú heag.)

ALKIN, Marvin C. [Ed.]. Encyclopedia of Educational Research 1.-- Ed.6. Macmillan, 1992.

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