Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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