Hardisty, David. Call / David Hardisty & Scott Windeatt. - Oxford : Oxford University Press, 1994. - 165 p. : ill. ; 25 cm. - Resource books for teachers. Oxford English. . Bibliography: p. 164-165. ISBN: 0194371050 Subjects--Topical Terms: English language--Computerassisted instruction LC Class. No.: LB1576.7