Solórzano, H. (2006). NorthStar: Building skills for the TOEFL iBT : High intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS.
Chicago-стиль цитированияSolórzano, Helen. NorthStar: Building Skills for the TOEFL IBT : High Intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS, 2006.
MLA-цитированиеSolórzano, Helen. NorthStar: Building Skills for the TOEFL IBT : High Intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS, 2006.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.