Cita APA (7a ed.)

Hawkins, R., & Towell, R. (2001). French grammar and usage (2nd ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Hawkins, Roger, y Richard Towell. French Grammar and Usage. 2nd ed. New York: McGraw-Hill, 2001.

Cita MLA (9a ed.)

Hawkins, Roger, y Richard Towell. French Grammar and Usage. 2nd ed. McGraw-Hill, 2001.