APA (7e ed.) Bronvermelding

Purdue Research Foundation & Purdue University. Department of Foreign Languages & Literatures. (1996). Global business languages. Purdue Research Foundation.

Chicago (17e ed.) Bronvermelding

Purdue Research Foundation en Purdue University. Department of Foreign Languages & Literatures. Global Business Languages. West Lafayette, IN: Purdue Research Foundation, 1996.

MLA (9e ed.) Bronvermelding

Purdue Research Foundation en Purdue University. Department of Foreign Languages & Literatures. Global Business Languages. Purdue Research Foundation, 1996.