Cita APA

Hopkims, D., & Cullen, P. (2007). Grammar for IELTS with Answers. New york: Cambridge University Press.

Chicago Style Citation

Hopkims, Diana, i Pauline Cullen. Grammar for IELTS With Answers. New york: Cambridge University Press, 2007.

Cita MLA

Hopkims, Diana, i Pauline Cullen. Grammar for IELTS With Answers. New york: Cambridge University Press, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.