Cole, M., & Cole, S. (1993). The development of children (2nd ed.). Scientific American Books : Distributed by W.H. Freeman.
Lua i Stíl Chicago (17ú heag.)Cole, Michael, agus Sheila Cole. The Development of Children. 2nd ed. New York, NY: Scientific American Books : Distributed by W.H. Freeman, 1993.
Lua MLA (8ú heag.)Cole, Michael, agus Sheila Cole. The Development of Children. 2nd ed. Scientific American Books : Distributed by W.H. Freeman, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.