Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.