Mascull, B. (2006). Market leader: Upper intermediate business english Teacher''s book. Longmans.
استشهاد بنمط شيكاغوMascull, Bill. Market Leader: Upper Intermediate Business English Teacher''s Book. Longmans, 2006.
MLA استشهادMascull, Bill. Market Leader: Upper Intermediate Business English Teacher''s Book. Longmans, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.