Mascull, B. (2006). Market Leader: Upper Intermediate Business English Teacher's Book (New Ed.). Pearson Education Ltd.
Chicago-Zitierstil (17. Ausg.)Mascull, Bill. Market Leader: Upper Intermediate Business English Teacher's Book. New Ed. Harlow: Pearson Education Ltd, 2006.
MLA-Zitierstil (9. Ausg.)Mascull, Bill. Market Leader: Upper Intermediate Business English Teacher's Book. New Ed. Pearson Education Ltd, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.