Howson, A. G. (1973). Developments in mathematical education: Proceedings of the Second International Congress on Mathematical Education. Univ. Press.
Chicago-Zitierstil (17. Ausg.)Howson, Albert G. Developments in Mathematical Education: Proceedings of the Second International Congress on Mathematical Education. Cambridge: Univ. Press, 1973.
MLA-Zitierstil (9. Ausg.)Howson, Albert G. Developments in Mathematical Education: Proceedings of the Second International Congress on Mathematical Education. Univ. Press, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.