APA引文

Dellar, H., & Walkley, A. (2007). Course book Innovations: A course in natural english. Thomson.

Chicago Style (17th ed.) Citation

Dellar, Hugh, and Andrew Walkley. Course Book Innovations: A Course in Natural English. United Kingdom: Thomson, 2007.

MLA引文

Dellar, Hugh, and Andrew Walkley. Course Book Innovations: A Course in Natural English. Thomson, 2007.