APA (7th ed.) Citation

Parulis, G., & Larsen-Freeman, D. (2008). Grammar dimensions 4: Form-meaning-use (4a. ed.). Heinle Cengage Learning.

Chicago Style (17th ed.) Citation

Parulis, Gene, and Diane Larsen-Freeman. Grammar Dimensions 4: Form-meaning-use. 4a. ed. Boston: Heinle Cengage Learning, 2008.

MLA (9th ed.) Citation

Parulis, Gene, and Diane Larsen-Freeman. Grammar Dimensions 4: Form-meaning-use. 4a. ed. Heinle Cengage Learning, 2008.