APA citiranje

Gallagher, N. (2007). Delta’s key to the next generation TOEFL® test (Disk 3 - Test 3): Six practice tests for the iBT. McHenry, IL: Delta Pub. Co.

Trích dẫn kiểu Chicago

Gallagher, Nancy. Delta’s Key to the Next Generation TOEFL® Test (Disk 3 - Test 3): Six Practice Tests for the IBT. McHenry, IL: Delta Pub. Co, 2007.

MLA citiranje

Gallagher, Nancy. Delta’s Key to the Next Generation TOEFL® Test (Disk 3 - Test 3): Six Practice Tests for the IBT. McHenry, IL: Delta Pub. Co, 2007.