Sigelman, C. K., & Shaffer, D. R. 1. (1995). Life-span human development (2nd ed.). Pacific Grove, Calif.: Brooks/Cole Pub..
Čikaški stil citiranjaSigelman, Carol K., i David R. 1946- Shaffer. Life-span Human Development. 2nd ed. Pacific Grove, Calif.: Brooks/Cole Pub., 1995.
MLA način citiranjaSigelman, Carol K., i David R. 1946- Shaffer. Life-span Human Development. 2nd ed. Pacific Grove, Calif.: Brooks/Cole Pub., 1995.
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