APA (7th ed.) Citation

Beaumont, J. (2006). NorthStar: Building skills for the TOEFL iBT intermediate. Pearson Education Ltd.

Chicago Style (17th ed.) Citation

Beaumont, John. NorthStar: Building Skills for the TOEFL IBT Intermediate. NY: Pearson Education Ltd, 2006.

MLA (9th ed.) Citation

Beaumont, John. NorthStar: Building Skills for the TOEFL IBT Intermediate. Pearson Education Ltd, 2006.

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