Cita APA (7th ed.)

HUTCHINSON, T., & WATERS, A. (1993). English for specific purposes: A learning centred approach. Cambridge Univ. Press.

Cita Chicago (17th ed.)

HUTCHINSON, Tom, i Alan WATERS. English for Specific Purposes: A Learning Centred Approach. New York: Cambridge Univ. Press, 1993.

Cita MLA (9th ed.)

HUTCHINSON, Tom, i Alan WATERS. English for Specific Purposes: A Learning Centred Approach. Cambridge Univ. Press, 1993.