301998 Santrock, J. W. (2011). Life-span development. New York, NY : McGraw-Hill Higher Education.
Lua i Stíl Chicago (17ú heag.)301998 Santrock, John W. Life-span Development. New York, NY : McGraw-Hill Higher Education, 2011.
Lua MLA (9ú heag.)301998 Santrock, John W. Life-span Development. New York, NY : McGraw-Hill Higher Education, 2011.
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