Harmer, Jeremy, 1947-
Advanced speaking skills / Jeremy Harmer, John Arnold. -- London : Longman Group, 1980. -- 103 s. : il. + 1 sešit. -- ISBN : 0582-515106 (brož.).
Arnold, John, 1950-
angličtina. konverzace. učebnice
81'24. 811.111. (075)