Cunningham S. Sarah & Moor P. Peter. (1999). Cutting Edge. Upper Intermediate: Class cassette 2. Harlow, Longman, 1999.
Lua i Stíl Chicago (17ú heag.)Cunningham S. Sarah agus Moor P. Peter. Cutting Edge. Upper Intermediate: Class Cassette 2. Harlow, Longman, 1999, 1999.
Lua MLA (9ú heag.)Cunningham S. Sarah agus Moor P. Peter. Cutting Edge. Upper Intermediate: Class Cassette 2. Harlow, Longman, 1999, 1999.
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