Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, & International Labour Organization. (1983). Third tripartite technical meeting for hotels, restaurants and similar establishments, Geneva, 1983: General report. ILO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, और International Labour Organization. Third Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments, Geneva, 1983: General Report. Geneva: ILO, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, और International Labour Organization. Third Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments, Geneva, 1983: General Report. ILO, 1983.