Strutt, P. (2010). Business grammar and usage: Business English. Pearson Education Limited.
Citazione stile Chigago Style (17a edizione)Strutt, Peter. Business Grammar and Usage: Business English. Essex: Pearson Education Limited, 2010.
Citatione MLA (9a ed.)Strutt, Peter. Business Grammar and Usage: Business English. Pearson Education Limited, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.