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Lua i Stíl Chicago (17ú heag.)Papalia, Diane E., Ruth Duskin Feldman, agus Gabriela Martorell. Human Development. Tenth edition. Boston: McGrawHill, 2007.
Lua MLA (9ú heag.)Papalia, Diane E., et al. Human Development. Tenth edition. McGrawHill, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.