Cita APA (7th ed.)

Quirk, R. (1979). A University Grammar of English: Sidney Greenbaum. ELBS ; Longman.

Cita Chicago (17th ed.)

Quirk, Randolph. A University Grammar of English: Sidney Greenbaum. London: ELBS ; Longman, 1979.

Cita MLA (9th ed.)

Quirk, Randolph. A University Grammar of English: Sidney Greenbaum. ELBS ; Longman, 1979.