Allen, Edward David, 1923-. Modern language classroom techniques : a handbook / Edward David Allen and Rebecca M. Valette. - New York : Harcourt Brace Jovanovich, 1972. - ix, 306 p. : ill. ; 24 cm. ISBN: 0155618202 LCCN: 72-182321 Subjects--Topical Terms: Languages, Modern--Study and teaching