Hutchinson, T., & Waters, A. (1987). English for specific purposes: A learning-centred approach. Cambridge University Press.
Chicago Style (17. basım) AtıfHutchinson, Tom, ve Alan Waters. English for Specific Purposes: A Learning-centred Approach. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.
MLA (8th ed.) AtıfHutchinson, Tom, ve Alan Waters. English for Specific Purposes: A Learning-centred Approach. Cambridge University Press, 1987.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..