Brown, H. Douglas
Upper Saddle River, NJ
Prentice Hall Regents
H. Douglas Brown, Susan T. Gonzo
1995
metodică
371.3:811.111(73)
0131022601
New York
Longman
H. Douglas Brown
2000
371.3:811.111
0130178160
Cambridge
Cambridge University Press
edited by Jack C. Richards & Willy A. Renandya
2005
0521004403