Tác giả
British Council
2
Oxford University Press
2
Cambridge University Press
1
Davenport, Michael, 1954-
1
Halliday, M. A. K. 1925-
1
Hannahs, S. J.
1
Hengeveld, Kees, 1957-
1
Litosseliti, Lia
1
Mackenzie, J. Lachlan
1
Mun, Tham Wai
1
Pan, Wen'guo
1
Schmitt, Norbert, 1956-
1
Tallerman, Maggie, 1957-
1
United States Information Agency
1
Yallop, Colin
1