Παραπομπή APA

 Ibbotson, M. (2009).  Professional English in use. Engineering technical English for professionals.  Cambridge Universty Press.

Παραπομπή Chicago Style

 Ibbotson, Mark.  Professional English in Use. Engineering Technical English for Professionals.  Cambridge Universty Press, 2009.

Παραπομπή MLA

 Ibbotson, Mark.  Professional English in Use. Engineering Technical English for Professionals.  Cambridge Universty Press, 2009.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.