Tough, J. (1977). The development of meaning: A study of children's use of language. Allen & Unwin.
Chicago-Zitierstil (17. Ausg.)Tough, Joan. The Development of Meaning: A Study of Children's Use of Language. London: Allen & Unwin, 1977.
MLA-Zitierstil (9. Ausg.)Tough, Joan. The Development of Meaning: A Study of Children's Use of Language. Allen & Unwin, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.