sack, k., & linsel, h. (1965). contents and measuring of labour productivity in socialist industry. the institute of national planning.
Цитирование в стиле Чикаго (17-е изд.)sack, kurt, и hermann linsel. Contents and Measuring of Labour Productivity in Socialist Industry. cairo: the institute of national planning, 1965.
Цитирование MLA (9-е изд.)sack, kurt, и hermann linsel. Contents and Measuring of Labour Productivity in Socialist Industry. the institute of national planning, 1965.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.