APA-čujuhus (7. p.)
Schell, R. E. (1975). Developmental psychology today (2nd.ed.). Random.
Chicago-čujuhus (17. p.)
Schell, Robert E. Developmental Psychology Today. 2nd.ed. New York: Random, 1975.
MLA-čujuhus (9. p.)
Schell, Robert E. Developmental Psychology Today. 2nd.ed. Random, 1975.
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