Wakeman K. Kate. (2003). Practice Tests for the BEC Preliminary: Class Cas. 2. Newbury, Express Publishing, 2003.
Lua i Stíl Chicago (17ú heag.)Wakeman K. Kate. Practice Tests for the BEC Preliminary: Class Cas. 2. Newbury, Express Publishing, 2003, 2003.
Lua MLA (9ú heag.)Wakeman K. Kate. Practice Tests for the BEC Preliminary: Class Cas. 2. Newbury, Express Publishing, 2003, 2003.
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