Ibbotson, M. (2009). Professional English in use: Engineering. Technical English for professionals. Cambridge University Press.
Citazione stile Chigago Style (17a edizione)Ibbotson, Mark. Professional English in Use: Engineering. Technical English for Professionals. Cambridge: Cambridge University Press, 2009.
Citatione MLA (9a ed.)Ibbotson, Mark. Professional English in Use: Engineering. Technical English for Professionals. Cambridge University Press, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.