Cita APA

Beaumont, J. (2006). NorthStar: Building skills for the TOEFL iBT : Intermediate. White Plains, N.Y: Pearson Longman in cooperationwith ETS.

Chicago Style Citation

Beaumont, John. NorthStar: Building Skills for the TOEFL IBT : Intermediate. White Plains, N.Y: Pearson Longman in cooperationwith ETS, 2006.

Cita MLA

Beaumont, John. NorthStar: Building Skills for the TOEFL IBT : Intermediate. White Plains, N.Y: Pearson Longman in cooperationwith ETS, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.