Bryant, P. E., & Colman, A. M. (1995). Developmental psychology. Longman.
Lua i Stíl Chicago (17ú heag.)Bryant, Peter E., agus Andrew M. Colman. Developmental Psychology. London: Longman, 1995.
Lua MLA (9ú heag.)Bryant, Peter E., agus Andrew M. Colman. Developmental Psychology. Longman, 1995.
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