Citazione APA

Gallagher, N. (2005). Delta’s key to the next generation TOEFL® test advanced skill practice. McHenry, IL: Delta Pub. Co.

Stile di citazione Chicago

Gallagher, Nancy. Delta’s Key to the Next Generation TOEFL® Test Advanced Skill Practice. McHenry, IL: Delta Pub. Co, 2005.

Citazione MLA

Gallagher, 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%.