International Labour Office. (1991). International Labour Standards Concerned with Labour Inspection: Main Provisions. UN.
Цитирование в стиле Чикаго (17-е изд.)International Labour Office. International Labour Standards Concerned with Labour Inspection: Main Provisions. Belgium: UN, 1991.
Цитирование MLA (8-е изд.)International Labour Office. International Labour Standards Concerned with Labour Inspection: Main Provisions. UN, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.