APA
Claude Le Goff, Didier, . (1994). Le nouveau french for business. Paris: Didier.
Chicago
Claude Le Goff, Didier, . 1994. Le nouveau french for business. Paris: Didier.
Harvard
Claude Le Goff, Didier, . (1994). Le nouveau french for business. Paris: Didier.
MLA
Claude Le Goff, Didier, . Le nouveau french for business. Paris: Didier. 1994.