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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, και International Labour Organization. Third Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments, Geneva, 1983: General Report. Geneva: ILO, 1983.
Παραπομπή σε μορφή MLA (9th εκδ.)Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments Geneva, Switzerland, και International Labour Organization. Third Tripartite Technical Meeting for Hotels, Restaurants and Similar Establishments, Geneva, 1983: General Report. ILO, 1983.