APA (7th ed.) Citation

Scott-Barrett, F. (2009). Proficiency: Use of english. Pearson Education Limited.

Chicago Style (17th ed.) Citation

Scott-Barrett, Fiona. Proficiency: Use of English. Essex, Englang: Pearson Education Limited, 2009.

MLA (8th ed.) Citation

Scott-Barrett, Fiona. Proficiency: Use of English. Pearson Education Limited, 2009.

Warning: These citations may not always be 100% accurate.