APA引文

Quirk, R., & Greenbaum, S. (1973). A university grammar of english. Longman.

Chicago Style (17th ed.) Citation

Quirk, Randolph, and Sidney Greenbaum. A University Grammar of English. Essex: Longman, 1973.

MLA引文

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