Sigelman, C. K., & Rider, E. A. (2009). Life-span human development (6th ed.). Thomson Cengage Learning.
Chicago Style (17. basım) AtıfSigelman, Carol K., ve Elizabeth A. Rider. Life-span Human Development. 6th ed. Belmont, Calif: Thomson Cengage Learning, 2009.
MLA (9th ed.) AtıfSigelman, Carol K., ve Elizabeth A. Rider. Life-span Human Development. 6th ed. Thomson Cengage Learning, 2009.
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