Deismireacht APA

Solórzano, H. (2006). NorthStar: Building skills for the TOEFL iBT : High intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS.

Trích dẫn kiểu Chicago

Solórzano, Helen. NorthStar: Building Skills for the TOEFL IBT : High Intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS, 2006.

Deismireacht MLA

Solórzano, Helen. NorthStar: Building Skills for the TOEFL IBT : High Intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS, 2006.

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