Lua APA (7ú heag.)

Lipsey, M. W., & Brayfield, A. W. (1975). Programmed learning aid for the profession of psychology. Learning Systems Co.

Lua i Stíl Chicago (17ú heag.)

Lipsey, Mark W., agus Arthur W. Brayfield. Programmed Learning Aid for the Profession of Psychology. Homewood, Ill: Learning Systems Co, 1975.

Lua MLA (9ú heag.)

Lipsey, Mark W., agus Arthur W. Brayfield. Programmed Learning Aid for the Profession of Psychology. Learning Systems Co, 1975.

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