Papalia, D. E., & Olds, S. W. (1995). Human development (Sixth edition.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Papalia, Diane E., agus Sally Wendkos Olds. Human Development. Sixth edition. New York: McGraw-Hill, 1995.
Lua MLA (8ú heag.)Papalia, Diane E., agus Sally Wendkos Olds. Human Development. Sixth edition. McGraw-Hill, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.