Feldman, R. S. (2010). Child development (Fifth edition.). Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Feldman, Robert S. Child Development. Fifth edition. Upper Saddle River, NJ: Pearson Prentice Hall, 2010.
Lua MLA (8ú heag.)Feldman, Robert S. Child Development. Fifth edition. Pearson Prentice Hall, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.