Howson, G. (1991). National curricula in mathematics. The Mathematical Association.
Cita Chicago Style (17a ed.)Howson, Geoffrey. National Curricula in Mathematics. Gran Bretaña: The Mathematical Association, 1991.
Cita MLA (8a ed.)Howson, Geoffrey. National Curricula in Mathematics. The Mathematical Association, 1991.
Precaución: Estas citas no son 100% exactas.