sack, K., & linsel, h. (1966). planning of technical progress in socialist countries: Planning of research and development. the institute of national planning.
Цитирование в стиле Чикаго (17-е изд.)sack, K., и hermann linsel. Planning of Technical Progress in Socialist Countries: Planning of Research and Development. cairo: the institute of national planning, 1966.
Цитирование MLA (9-е изд.)sack, K., и hermann linsel. Planning of Technical Progress in Socialist Countries: Planning of Research and Development. the institute of national planning, 1966.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.