Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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