Cita APA (7th ed.)

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.