Murphy
     English Grammar in Use: WITH ANSWERS / Murphy R.. — SECOND EDITION. — CAMBRIDGE: CAMBRIDGE UNIVESITY PRESS, 1994. — 350cс.. — ISBN 0521-43680: 18-75
rubbk 81.432.1-923
УДК 811.111'36(075.8)
ч/з1 — 811.111'36(075.8) / М 29 [107116]