Lua APA (7ú heag.)

Sprinthall, N. A. (1987). Educational psychologya developmental approachNorman A. Sprinthall, Richard C. Sprinthall. Random House.

Lua i Stíl Chicago (17ú heag.)

Sprinthall, Norman A. Educational Psychologya Developmental ApproachNorman A. Sprinthall, Richard C. Sprinthall. Random House, 1987.

Lua MLA (8ú heag.)

Sprinthall, Norman A. Educational Psychologya Developmental ApproachNorman A. Sprinthall, Richard C. Sprinthall. Random House, 1987.

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