Solórzano, H. S. (2006). NorthStar: Building skills for the TOEFL iBT High Intermediate. White Plains, NY: Pearson Longman in cooperation with ETS.
استشهاد بنمط شيكاغوSolórzano, Helen S. NorthStar: Building Skills for the TOEFL IBT High Intermediate. White Plains, NY: Pearson Longman in cooperation with ETS, 2006.
MLA استشهادSolórzano, Helen S. NorthStar: Building Skills for the TOEFL IBT High Intermediate. White Plains, NY: Pearson Longman in cooperation with ETS, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.