Steinberg, L. D., & Levine, A. D. (1990). You and your adolescent: A parent's guide for ages 10 to 20 (1. ed.). Harper & Row.
Cita Chicago Style (17a ed.)Steinberg, Laurence D., y Ann D. Levine. You and Your Adolescent: A Parent's Guide for Ages 10 to 20. 1. ed. New York [u.a.]: Harper & Row, 1990.
Cita MLA (8a ed.)Steinberg, Laurence D., y Ann D. Levine. You and Your Adolescent: A Parent's Guide for Ages 10 to 20. 1. ed. Harper & Row, 1990.
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