APA-referens

Singh, S., & Singh, B. (2012). Grammar of the modern english language: A resource book. Cambridge University Press.

Chicago-stil citat

Singh, Sukhdev, och Balbir Singh. Grammar of the Modern English Language: A Resource Book. New Delhi: Cambridge University Press, 2012.

MLA-referens

Singh, Sukhdev, och Balbir Singh. Grammar of the Modern English Language: A Resource Book. Cambridge University Press, 2012.