APA (7th ed.) Citation

Matthews, M., & Salisbury, K. (2007). Focus on skills for IELTS: Foundation. Pearson Longman.

Chicago Style (17th ed.) Citation

Matthews, Margaret, and Katy Salisbury. Focus on Skills for IELTS: Foundation. Harlow: Pearson Longman, 2007.

MLA (9th ed.) Citation

Matthews, Margaret, and Katy Salisbury. Focus on Skills for IELTS: Foundation. Pearson Longman, 2007.

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