Cita APA (7th ed.)

Taylor, K. (2007). Fifty ways to improve your business english. Summertown Publishing.

Cita Chicago (17th ed.)

Taylor, Ken. Fifty Ways to Improve Your Business English. Oxford: Summertown Publishing, 2007.

Cita MLA (9th ed.)

Taylor, Ken. Fifty Ways to Improve Your Business English. Summertown Publishing, 2007.