APA (7th ed.) Zitazioa
Richardson, K. (2000). Developmental psychology: How nature and nurture interact. L. Erlbaum.
Chicago Style (17th ed.) Zitazioa
Richardson, Keith. Developmental Psychology: How Nature and Nurture Interact. Mahwah, N.J.: L. Erlbaum, 2000.
MLA (9th ed.) Zitazioa
Richardson, Keith. Developmental Psychology: How Nature and Nurture Interact. L. Erlbaum, 2000.
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