Sigelman, C. K., & Rider, E. A. (2003). Life-span human development (4th ed.). Thomson/Wadsworth.
Cita Chicago Style (17a ed.)Sigelman, Carol K., y Elizabeth A. Rider. Life-span Human Development. 4th ed. Australia: Thomson/Wadsworth, 2003.
Cita MLA (9a ed.)Sigelman, Carol K., y Elizabeth A. Rider. Life-span Human Development. 4th ed. Thomson/Wadsworth, 2003.
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