Cita APA

Quirk, R., & Greenbaum , S. (1973). University grammar of English. Longman.

Chicago Edition Citation

Quirk, Randolph, i Sidney Greenbaum. University Grammar of English. Longman, 1973.

Cita MLA

Quirk, Randolph, i Sidney Greenbaum. University Grammar of English. Longman, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.