एपीए उद्धरण

College of technical - Economic trade. (2006). English for hotel staff: For students specialized in hotel industry. Ha Noi: Social labour Publishing house.

शिकागो स्टाइल उद्धरण

College of technical - Economic trade. English for Hotel Staff: For Students Specialized in Hotel Industry. Ha Noi: Social labour Publishing house, 2006.

एमएलए उद्धरण

College of technical - Economic trade. English for Hotel Staff: For Students Specialized in Hotel Industry. Ha Noi: Social labour Publishing house, 2006.