Citazione Stile APA (7a Edizione)

Warriner, J. E., & Griffith, F. (1973). English grammar and composition: Fourth course. Harcourt Brace Jovanovich.

Citazione stile Chigago Style (17a edizione)

Warriner, John E., e Francis Griffith. English Grammar and Composition: Fourth Course. New York: Harcourt Brace Jovanovich, 1973.

Citatione MLA (9a ed.)

Warriner, John E., e Francis Griffith. English Grammar and Composition: Fourth Course. Harcourt Brace Jovanovich, 1973.