एपीए उद्धरण

(2007). English for international trade: For students specialized in import and export business. Ha Noi: Social larour publishing house.

शिकागो स्टाइल उद्धरण

English for International Trade: For Students Specialized in Import and Export Business. Ha Noi: Social larour publishing house, 2007.

एमएलए उद्धरण

English for International Trade: For Students Specialized in Import and Export Business. Ha Noi: Social larour publishing house, 2007.