Kikas, E. (1997). Conceptual development in school-aged children: The impact of teaching. Tartu University Press.
Lua i Stíl Chicago (17ú heag.)Kikas, Eve. Conceptual Development in School-aged Children: The Impact of Teaching. Tartu, Estonia: Tartu University Press, 1997.
Lua MLA (8ú heag.)Kikas, Eve. Conceptual Development in School-aged Children: The Impact of Teaching. Tartu University Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.