Approaches and methods in language teaching : a description and analysis - Richards, Jack C. 1943-; Rodgers, Theodore Stephen 1934- (Cambridge, Mass. : Cambridge University Press, 1986)
ISBN 0521320933 (hardback)
Reimpresiones: 1988, 1996, 1998,1999
Keywords: LENGUAJE Y LENGUAS -- ESTUDIO Y ENSEÑANZA