Cita APA (7th ed.)

Benz, C., & Roemmer, A. (2007). Grammar dimensions 2: Form-meaning-use (4a. ed.). Heinle Cengage Learning.

Cita Chicago (17th ed.)

Benz, Cheryl, i Ann Roemmer. Grammar Dimensions 2: Form-meaning-use. 4a. ed. Boston: Heinle Cengage Learning, 2007.

Cita MLA (9th ed.)

Benz, Cheryl, i Ann Roemmer. Grammar Dimensions 2: Form-meaning-use. 4a. ed. Heinle Cengage Learning, 2007.