Hutchinson, T., & Waters, A. (1987). English for specific purposes: A learning-centred approach. Cambridge [Cambridgeshire]: Cambridge University Press.
استشهاد بنمط شيكاغوHutchinson, Tom, و Alan Waters. English for Specific Purposes: A Learning-centred Approach. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.
MLA استشهادHutchinson, Tom, و Alan Waters. English for Specific Purposes: A Learning-centred Approach. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.