Ibbotson, M. (2009). Professional English in use. Engineering technical English for professionals. Cambridge Universty Press.
استشهاد بنمط شيكاغوIbbotson, Mark. Professional English in Use. Engineering Technical English for Professionals. Cambridge Universty Press, 2009.
MLA استشهادIbbotson, Mark. Professional English in Use. Engineering Technical English for Professionals. Cambridge Universty Press, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.