Solórzano, H. S., Numrich, C., & Boyd, F. (2006). NorthStar: Building skills for the TOEFL iBT High Intermediate. Teacher's manual with ETS scoring guide. White Plains, NY: Pearson Longman.
Chicago-стиль цитированияSolórzano, Helen S., Carol Numrich, và Frances Boyd. NorthStar: Building Skills for the TOEFL IBT High Intermediate. Teacher's Manual With ETS Scoring Guide. White Plains, NY: Pearson Longman, 2006.
MLA-цитированиеSolórzano, Helen S., Carol Numrich, và Frances Boyd. NorthStar: Building Skills for the TOEFL IBT High Intermediate. Teacher's Manual With ETS Scoring Guide. White Plains, NY: Pearson Longman, 2006.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.