Papalia, D. E., & Olds, S. W. F. (2016). Human Development (9th Ed.). McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Papalia, Diane E., agus Sally Wendkos; Feldman Olds. Human Development. 9th Ed. New Delhi: McGraw Hill, 2016.
Lua MLA (9ú heag.)Papalia, Diane E., agus Sally Wendkos; Feldman Olds. Human Development. 9th Ed. McGraw Hill, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.