Skinner, C. E. (1959). Educational psychology (4th ed.). Prentice-Hall.
Chicago Style aipamenaSkinner, Charles Edward. Educational Psychology. 4th ed. Englewood, Cliffs, N.J: Prentice-Hall, 1959.
MLA aipamenaSkinner, Charles Edward. Educational Psychology. 4th ed. Prentice-Hall, 1959.
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