Halperin, E. P. (1971). Imitation in children. University of Chicago.
Chicago-čujuhus (17. p.)Halperin, Elaine P. Imitation in Children. London: University of Chicago, 1971.
MLA-čujuhus (9. p.)Halperin, Elaine P. Imitation in Children. University of Chicago, 1971.
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