Close, R. A. English as a foreign language : its constant grammatical problems / R. A. Close. - 2nd ed. - London : Allen & Unwin, c 1978. - 192 p. : ill. ; 21 cm. Includes index. 341 341 ISBN: 0 04 425023 1 Subjects--Topical Terms: English chunterricht. Grammar. Dewey Class. No.: 428.24 / C624c