Gutjahr, L. (2009). English for sales & purchasing. Oxford (New York): Oxford University Press.
Chicago Style CitationGutjahr, Lothar. English for Sales & Purchasing. Oxford (New York): Oxford University Press, 2009.
Cita MLAGutjahr, Lothar. English for Sales & Purchasing. Oxford (New York): Oxford University Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.