International Seminar on Tourist Vocational Training in Africa, Nairobi (Kenya), 1972, & International Labour Office. (1972). Tourism vocational training in Africa, Nairobi (Kenya) held Sept., 1972. IUOTO.
Chicago-referens (17:e uppl.)International Seminar on Tourist Vocational Training in Africa, Nairobi (Kenya), 1972, och International Labour Office. Tourism Vocational Training in Africa, Nairobi (Kenya) Held Sept., 1972. Geneva: IUOTO, 1972.
MLA-referens (9:e uppl.)International Seminar on Tourist Vocational Training in Africa, Nairobi (Kenya), 1972, och International Labour Office. Tourism Vocational Training in Africa, Nairobi (Kenya) Held Sept., 1972. IUOTO, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.