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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিTripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, এবং International Labour Organization. Third Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments, Geneva, 1983: General Report. Geneva: ILO, 1983.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিTripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, এবং International Labour Organization. Third Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments, Geneva, 1983: General Report. ILO, 1983.