Irvine, M., & Cadman, M. (1999). Commercially speaking: Teacher's book. Oxford: Oxford University Press.
استشهاد بنمط شيكاغوIrvine, Mark., و Marion Cadman. Commercially Speaking: Teacher's Book. Oxford: Oxford University Press, 1999.
MLA استشهادIrvine, Mark., و Marion Cadman. Commercially Speaking: Teacher's Book. Oxford: Oxford University Press, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.