Dupays, P. (1951). A complete new course of French commercial correspondence: Nouveau cours de style commercial (6th ed.). Pitman.
Chicago Style (17th ed.) CitationDupays, Paul. A Complete New Course of French Commercial Correspondence: Nouveau Cours De Style Commercial. 6th ed. London: Pitman, 1951.
MLA (9th ed.) CitationDupays, Paul. A Complete New Course of French Commercial Correspondence: Nouveau Cours De Style Commercial. 6th ed. Pitman, 1951.
Warning: These citations may not always be 100% accurate.