APA stil citiranja
Sigelman, C. K. (2012). Life-span human development: Life-span human development (7th Ed.). Belmont, CA: Cengage.
Chicago stil citiranjaSigelman, Carol K. Life-span human development: Life-span human development. 7th Ed. Belmont, CA: Cengage, 2012.
MLA stil citiranjaSigelman, Carol K. Life-span human development: Life-span human development. 7th Ed. Belmont, CA: Cengage, 2012.
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