Fletcher, H. (1974). Mathematics for schools: An integrated series. Addison-Wesley.
Cita Chicago Style (17a ed.)Fletcher, Harold. Mathematics for Schools: An Integrated Series. London: Addison-Wesley, 1974.
Cita MLA (9a ed.)Fletcher, Harold. Mathematics for Schools: An Integrated Series. Addison-Wesley, 1974.
Precaución: Estas citas no son 100% exactas.