APA (7th ed.) Citation

Dignen, S., Viney, B., Walker, E., & Elsworth, S. (2007). Grammar practice for intermediate students: With key (3rd ed.). Pearson Education Limited.

Chicago Style (17th ed.) Citation

Dignen, Sheila, Brigit Viney, Elaine Walker, and Steve Elsworth. Grammar Practice for Intermediate Students: With Key. 3rd ed. Edinburgh Gate: Pearson Education Limited, 2007.

MLA (9th ed.) Citation

Dignen, Sheila, et al. Grammar Practice for Intermediate Students: With Key. 3rd ed. Pearson Education Limited, 2007.

Warning: These citations may not always be 100% accurate.