Citazione APA

Brown, S. E., & Lucas, C. (2009). Improve your English: English in the workplace. McGraw Hill.

Stile di citazione Chicago

Brown, Stephen E., e Ceil Lucas. Improve Your English: English in the Workplace. Chicago, IL: McGraw Hill, 2009.

Citazione MLA

Brown, Stephen E., e Ceil Lucas. Improve Your English: English in the Workplace. McGraw Hill, 2009.