Applied linguistics and the learning and teaching of foreign languages / Theo Van Els, Theo bongoerts, Guus extra, ...[et al.]; transl. by R.R. Van Oirsouw . - London : Edward Arnold, 1984 . - Xi-380 p. ; 24 cm. Bibliogr. pp 333-372, index ISBN: 0713164223 Source: Don britanique Universal Decimal Class. No.: 800.7