Citazione Stile APA (7a Edizione)

Hutchinson, T., & Waters, A. (1987). English for specific purposes: A learning-centred approach. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Hutchinson, Tom, e Alan Waters. English for Specific Purposes: A Learning-centred Approach. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.

Citatione MLA (8a ed.)

Hutchinson, Tom, e Alan Waters. English for Specific Purposes: A Learning-centred Approach. Cambridge University Press, 1987.