Chen, L. (2004). The Building blocks of good english. Reader's Digest Association.
Lua i Stíl Chicago (17ú heag.)Chen, Longgen. The Building Blocks of Good English. Hong Kong: Reader's Digest Association, 2004.
Lua MLA (8ú heag.)Chen, Longgen. The Building Blocks of Good English. Reader's Digest Association, 2004.
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