Citazione Stile APA (7a Edizione)

Richards, J. C., & Schmidt, R. W. (1983). Language and communication. Longman.

Citazione stile Chigago Style (17a edizione)

Richards, Jack C., e Richard W. Schmidt. Language and Communication. Londres: Longman, 1983.

Citatione MLA (9a ed.)

Richards, Jack C., e Richard W. Schmidt. Language and Communication. Longman, 1983.