Straub, R. O. (1995). Study guide: To acompany Kathleen Stassen Berger : The developing person : Through childhood and adolescence (5th ed.). New York: Worth.
Chicago-tyylinen lähdeviittausStraub, Richard O. Study Guide: To Acompany Kathleen Stassen Berger : The Developing Person : Through Childhood and Adolescence. 5th ed. New York: Worth, 1995.
MLA-viiteStraub, Richard O. Study Guide: To Acompany Kathleen Stassen Berger : The Developing Person : Through Childhood and Adolescence. 5th ed. New York: Worth, 1995.
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