Singh, S., & Singh, B. (2012). Grammar of the modern english language: A resource book. Cambridge University Press.
استشهاد بنمط شيكاغوSingh, Sukhdev, و Balbir Singh. Grammar of the Modern English Language: A Resource Book. New Delhi: Cambridge University Press, 2012.
MLA استشهادSingh, Sukhdev, و Balbir Singh. Grammar of the Modern English Language: A Resource Book. Cambridge University Press, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.