Quirk, R., Greenbaum, S., Leech, G. N., & Svartvik, J. (1985). A comprehensive grammar of the English language. Longman.
Cita Chicago (17th ed.)Quirk, Randolph, Sidney Greenbaum, Geoffrey N. Leech, i Jan Svartvik. A Comprehensive Grammar of the English Language. Londres: Longman, 1985.
Cita MLA (9th ed.)Quirk, Randolph, et al. A Comprehensive Grammar of the English Language. Longman, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.