Παραπομπή APA

Quirk, R., & Greenbaum, S. (2006). A University grammar of English. Pearson.

Παραπομπή Chicago Style

Quirk, Randolph, και Sidney Greenbaum. A University Grammar of English. Noida: Pearson, 2006.

Παραπομπή MLA

Quirk, Randolph, και Sidney Greenbaum. A University Grammar of English. Pearson, 2006.