APA استشهاد

Tylor, K. (2006). Fifty ways to improve your business english without too much effort. Orient blackswan.

استشهاد بنمط شيكاغو

Tylor, Ken. Fifty Ways to Improve Your Business English Without Too Much Effort. Hyderabad: Orient blackswan, 2006.

MLA استشهاد

Tylor, Ken. Fifty Ways to Improve Your Business English Without Too Much Effort. Orient blackswan, 2006.