Congrès international de l'enseignement mathématique & Howson, A. G. (1973). Developments in mathematical education: Proceedings of the second International Congress on Mathematical Education. Cambridge University Press.
Cita Chicago (17th ed.)Congrès international de l'enseignement mathématique i Albert Geoffrey Howson. Developments in Mathematical Education: Proceedings of the Second International Congress on Mathematical Education. Cambridge: Cambridge University Press, 1973.
Cita MLA (8th ed.)Congrès international de l'enseignement mathématique i Albert Geoffrey Howson. Developments in Mathematical Education: Proceedings of the Second International Congress on Mathematical Education. Cambridge University Press, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.