Cita APA (7a ed.)

Frodesen, J., & Eyring, J. (1997). Grammar dimensions (2. ed.). Heinle.

Cita Chicago Style (17a ed.)

Frodesen, Jan, y Janet Eyring. Grammar Dimensions. 2. ed. Boston: Heinle, 1997.

Cita MLA (8a ed.)

Frodesen, Jan, y Janet Eyring. Grammar Dimensions. 2. ed. Heinle, 1997.