sack, K., & linsel, h. (1966). planning of technical progress in socialist countries: Planning of research and development. the institute of national planning.
Citazione stile Chigago Style (17a edizione)sack, K., e hermann linsel. Planning of Technical Progress in Socialist Countries: Planning of Research and Development. cairo: the institute of national planning, 1966.
Citatione MLA (9a ed.)sack, K., e hermann linsel. Planning of Technical Progress in Socialist Countries: Planning of Research and Development. the institute of national planning, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.