Παραπομπή APA

Beaumont, J. (2006). NorthStar: units 7 - 10 CD2: Building skills for the TOEFL iBT - Intermediate. White Plains, NY: Pearson Longman in cooperationwith ETS.

Παραπομπή Chicago Style

Beaumont, John. NorthStar: Units 7 - 10 CD2: Building Skills for the TOEFL IBT - Intermediate. White Plains, NY: Pearson Longman in cooperationwith ETS, 2006.

Παραπομπή MLA

Beaumont, John. NorthStar: Units 7 - 10 CD2: Building Skills for the TOEFL IBT - Intermediate. White Plains, NY: Pearson Longman in cooperationwith ETS, 2006.

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