HUTCHINSON, T., & WATERS, A. (1993). English for specific purposes: A learning centred approach. Cambridge Univ. Press.
Lua i Stíl Chicago (17ú heag.)HUTCHINSON, Tom, agus Alan WATERS. English for Specific Purposes: A Learning Centred Approach. New York: Cambridge Univ. Press, 1993.
Lua MLA (9ú heag.)HUTCHINSON, Tom, agus Alan WATERS. English for Specific Purposes: A Learning Centred Approach. Cambridge Univ. Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.