Taylor, K. (2007). Fifty ways to improve your business english. Summertown Publishing.
Citazione stile Chigago Style (17a edizione)Taylor, Ken. Fifty Ways to Improve Your Business English. Oxford: Summertown Publishing, 2007.
Citatione MLA (9a ed.)Taylor, Ken. Fifty Ways to Improve Your Business English. Summertown Publishing, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.