Doughty, Peter Symonds. Language study, the teacher and the learner, Peter Doughty and Geoffrey Thornton. - London, E. Arnold, 1973. - 1, 92 p. - Explorations in language study . Bibliography: p. 90-92. ISBN: 0713117559 Subjects--Topical Terms: Languages, Modern Dewey Class. No.: 420.7 DOU