Mussen, P. H. (1960). Hand book of research methods in child development. John Wiley & Sons INC.
Chicago Style aipamenaMussen, Paul H. Hand Book of Research Methods in Child Development. NewYork: John Wiley & Sons INC, 1960.
MLA aipamenaMussen, Paul H. Hand Book of Research Methods in Child Development. John Wiley & Sons INC, 1960.
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