APA استشهاد

Quirk, R. a. (2010). Comprehensive grammar of the English language. Pearson Education.

استشهاد بنمط شيكاغو

Quirk, Randolph.et al. Comprehensive Grammar of the English Language. New Delhi: Pearson Education, 2010.

MLA استشهاد

Quirk, Randolph.et al. Comprehensive Grammar of the English Language. Pearson Education, 2010.