Citazione Stile APA (7a Edizione)

Greenbaum, S., & Quirk, R. (1990). A student's grammar of the english language. Longman.

Citazione stile Chigago Style (17a edizione)

Greenbaum, Sidney, e Randolph Quirk. A Student's Grammar of the English Language. Londres: Longman, 1990.

Citatione MLA (9a ed.)

Greenbaum, Sidney, e Randolph Quirk. A Student's Grammar of the English Language. Longman, 1990.