Solórzano, H. (2006). NorthStar: Building skills for the TOEFL iBT : High intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS.
Stile di citazione ChicagoSolórzano, Helen. NorthStar: Building Skills for the TOEFL IBT : High Intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS, 2006.
Citazione MLASolórzano, Helen. NorthStar: Building Skills for the TOEFL IBT : High Intermediate. White Plains, N.Y: Pearson Longman in cooperation with ETS, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.