APA-čujuhus (7. p.)
Leahey, T. H. (1993). Learning and cognition (3rd.ed.). Prentice Hall.
Chicago-čujuhus (17. p.)
Leahey, Thomas H. Learning and Cognition. 3rd.ed. Englewood Cliffs: Prentice Hall, 1993.
MLA-čujuhus (9. p.)
Leahey, Thomas H. Learning and Cognition. 3rd.ed. Prentice Hall, 1993.
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