Cita APA (7th ed.)

Baber,Eric. (2011). Fifty ways to improve your business english using the internet: Without too much effort. Orient BlackSwan.

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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