Belcher, D., & Belcher, D. D. (2011). New directions in English for specific purposes research. Ann Arbor, MI: University of Michigan Press.
استشهاد بنمط شيكاغوBelcher, Diane, و Diane Dewhurst Belcher. New Directions in English for Specific Purposes Research. Ann Arbor, MI: University of Michigan Press, 2011.
MLA استشهادBelcher, Diane, و Diane Dewhurst Belcher. New Directions in English for Specific Purposes Research. Ann Arbor, MI: University of Michigan Press, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.