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Lua i Stíl Chicago (17ú heag.)MORGAN CLIFORD T. INTRODUCTION TO PSYCHOLOGY. 4. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1971.
Lua MLA (9ú heag.)MORGAN CLIFORD T. INTRODUCTION TO PSYCHOLOGY. 4. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1971.
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