Cita APA (7th ed.)

Quirk, R. (1995). Grammatical and lexical variance in English. Longman.

Cita Chicago (17th ed.)

Quirk, Randolph. Grammatical and Lexical Variance in English. London: Longman, 1995.

Cita MLA (9th ed.)

Quirk, Randolph. Grammatical and Lexical Variance in English. Longman, 1995.