Meltzoff, J. (2004). Critical thinking about research: Psychology and related fields. American psychological association.
Lua i Stíl Chicago (17ú heag.)Meltzoff, Julian. Critical Thinking About Research: Psychology and Related Fields. Washington: American psychological association, 2004.
Lua MLA (8ú heag.)Meltzoff, Julian. Critical Thinking About Research: Psychology and Related Fields. American psychological association, 2004.
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