Trích dẫn APA

Fellag, L. R., Boyd, F., & Numrich, C. (2006). NorthStar: Building skills for the TOEFL iBT Advanced. Teacher's manual . ETS practice sets 1-4. Benchmark and practice responses. White Plains, NY: Pearson Longman.

Trích dẫn kiểu Chicago

Fellag, Linda Robinson, Frances Boyd, và Carol Numrich. NorthStar: Building Skills for the TOEFL IBT Advanced. Teacher's Manual . ETS Practice Sets 1-4. Benchmark and Practice Responses. White Plains, NY: Pearson Longman, 2006.

Trích dẫn MLA

Fellag, Linda Robinson, Frances Boyd, và Carol Numrich. NorthStar: Building Skills for the TOEFL IBT Advanced. Teacher's Manual . ETS Practice Sets 1-4. Benchmark and Practice Responses. White Plains, NY: Pearson Longman, 2006.

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