Howard-Williams, D., & Watcyn-Jones, P. (2000). Instant lessons 3: Advanced. Pearson Education.
Cita Chicago Style (17a ed.)Howard-Williams, Deirdre, y Peter Watcyn-Jones. Instant Lessons 3: Advanced. Harlow: Pearson Education, 2000.
Cita MLA (9a ed.)Howard-Williams, Deirdre, y Peter Watcyn-Jones. Instant Lessons 3: Advanced. Pearson Education, 2000.
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