Ibbotson, M. (2009). Professional English in use: Engineering. Technical English for professionals. Cambridge University Press.
Cita Chicago (17th ed.)Ibbotson, Mark. Professional English in Use: Engineering. Technical English for Professionals. Cambridge: Cambridge University Press, 2009.
Cita MLA (9th ed.)Ibbotson, Mark. Professional English in Use: Engineering. Technical English for Professionals. Cambridge University Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.