Citazione APA

Huddleston, R., & Pullum, G. K. (2005). A student's introduction to English grammar. Foundation Books.

Stile di citazione Chicago

Huddleston, Rodney, e Geoffrey K. Pullum. A Student's Introduction to English Grammar. New Delhi: Foundation Books, 2005.

Citazione MLA

Huddleston, Rodney, e Geoffrey K. Pullum. A Student's Introduction to English Grammar. Foundation Books, 2005.