Gutjahr, L. (2009). English for sales & purchasing. Oxford (New York): Oxford University Press.
Style de citation ChicagoGutjahr, Lothar. English for Sales & Purchasing. Oxford (New York): Oxford University Press, 2009.
Style de citation MLAGutjahr, Lothar. English for Sales & Purchasing. Oxford (New York): Oxford University Press, 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.