Cotton, D. (2005). Market leader: Intermediate business English: Course book. New York: Longman.
استشهاد بنمط شيكاغوCotton, David. Market Leader: Intermediate Business English: Course Book. New York: Longman, 2005.
MLA استشهادCotton, David. Market Leader: Intermediate Business English: Course Book. New York: Longman, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.