Gardiner, H. W., & Kosmitzki, C. (2002). Lives across cultures: Cross-cultural human development (2nd ed.). Allyn and Bacon.
Chicago-viite (17. p.)Gardiner, Harry W., ja Corinne Kosmitzki. Lives Across Cultures: Cross-cultural Human Development. 2nd ed. Boston: Allyn and Bacon, 2002.
MLA-viite (9. p.)Gardiner, Harry W., ja Corinne Kosmitzki. Lives Across Cultures: Cross-cultural Human Development. 2nd ed. Allyn and Bacon, 2002.
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