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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, و International Labour Organization. Third Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments, Geneva, 1983: General Report. Geneva: ILO, 1983.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, و International Labour Organization. Third Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments, Geneva, 1983: General Report. ILO, 1983.