Walker, E., & Elsworth, S. (2000). Grammar Practice for Upper Intermediate Students (New ed.). England: Pearson Education Limited.
Chicago Style CitationWalker, Elaine, and Steve Elsworth. Grammar Practice for Upper Intermediate Students. New ed. England: Pearson Education Limited, 2000.
MLA CitationWalker, Elaine, and Steve Elsworth. Grammar Practice for Upper Intermediate Students. New ed. England: Pearson Education Limited, 2000.
Warning: These citations may not always be 100% accurate.