Cita APA (7th ed.)

Huddleston, R. (1988). English grammar: An outline. Cambridge University.

Cita Chicago (17th ed.)

Huddleston, Rodney. English Grammar: An Outline. Nueva York: Cambridge University, 1988.

Cita MLA (9th ed.)

Huddleston, Rodney. English Grammar: An Outline. Cambridge University, 1988.