Lovell, K. (1966). The growth of basic mathematical and scientific concepts in children (5th ed.). Hodder and Stoughton.
Chicago-Zitierstil (17. Ausg.)Lovell, K. The Growth of Basic Mathematical and Scientific Concepts in Children. 5th ed. London: Hodder and Stoughton, 1966.
MLA-Zitierstil (9. Ausg.)Lovell, K. The Growth of Basic Mathematical and Scientific Concepts in Children. 5th ed. Hodder and Stoughton, 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.