Gardiner, H. W., & Kosmitzki, C. (2002). Lives across cultures: Cross-cultural human development (2nd ed.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Gardiner, Harry W., agus Corinne Kosmitzki. Lives Across Cultures: Cross-cultural Human Development. 2nd ed. Boston: Allyn and Bacon, 2002.
Lua MLA (9ú heag.)Gardiner, Harry W., agus Corinne Kosmitzki. Lives Across Cultures: Cross-cultural Human Development. 2nd ed. Allyn and Bacon, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.