APA
Quirk R., Quirk R., Svartvik J. & Leech G. (2010). Comprehensive grammer of the English language. New Delhi: Dorling Kindersley.
Chicago
Quirk Randolph, Quirk Randolph, Svartvik Jan and Leech Geoffrey. 2010. Comprehensive grammer of the English language. New Delhi: Dorling Kindersley.
Harvard
Quirk R., Quirk R., Svartvik J. and Leech G. (2010). Comprehensive grammer of the English language. New Delhi: Dorling Kindersley.
MLA
Quirk Randolph, Quirk Randolph, Svartvik Jan and Leech Geoffrey. Comprehensive grammer of the English language. New Delhi: Dorling Kindersley. 2010.