Gallagher, N. (2005). Delta’s key to the next generation TOEFL® test advanced skill practice. McHenry, IL: Delta Pub. Co.
Stile di citazione ChicagoGallagher, Nancy. Delta’s Key to the Next Generation TOEFL® Test Advanced Skill Practice. McHenry, IL: Delta Pub. Co, 2005.
Citazione MLAGallagher, Nancy. Delta’s Key to the Next Generation TOEFL® Test Advanced Skill Practice. McHenry, IL: Delta Pub. Co, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.