APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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