Cita APA (7th ed.)

Chen, L. (2004). The Building blocks of good english. Reader's Digest Association.

Cita Chicago (17th ed.)

Chen, Longgen. The Building Blocks of Good English. Hong Kong: Reader's Digest Association, 2004.

Cita MLA (8th ed.)

Chen, Longgen. The Building Blocks of Good English. Reader's Digest Association, 2004.