APA način citiranja (7. izdanje)
BERGER, J., & CUNNINGHAM, C. (1987). ASPECTS OF EARLY SOCIAL SMILING BY INFANTS WITH DOWN'S SYNDROME.
Čikaški stil citiranja (17. izdanje)
BERGER, J., i C.C CUNNINGHAM. ASPECTS OF EARLY SOCIAL SMILING BY INFANTS WITH DOWN'S SYNDROME. 1987.
MLA način citiranja (9. izdanje)
BERGER, J., i C.C CUNNINGHAM. ASPECTS OF EARLY SOCIAL SMILING BY INFANTS WITH DOWN'S SYNDROME. 1987.
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