Παραπομπή APA

Baber, E. (2011). Fifty ways to improve your business english using internet without too much effort. Orient blackswan.

Παραπομπή Chicago Style

Baber, Eric. Fifty Ways to Improve Your Business English Using Internet Without Too Much Effort. Hyderabad: Orient blackswan, 2011.

Παραπομπή MLA

Baber, Eric. Fifty Ways to Improve Your Business English Using Internet Without Too Much Effort. Orient blackswan, 2011.