HOLT, J. (1969). How children learn. Pitman Pub.
Lua i Stíl Chicago (17ú heag.)HOLT, John. How Children Learn. New York: Pitman Pub, 1969.
Lua MLA (9ú heag.)HOLT, John. How Children Learn. Pitman Pub, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.