APA-čujuhus (7. p.)

Bolles, R. C. (1975). Learning theory. Holt, Rinehart and Winston.

Chicago-čujuhus (17. p.)

Bolles, Robert C. Learning Theory. New York: Holt, Rinehart and Winston, 1975.

MLA-čujuhus (9. p.)

Bolles, Robert C. Learning Theory. Holt, Rinehart and Winston, 1975.

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