sack, K., & linsel, h. (1966). planning of technical progress in socialist countries: Planning of research and development. the institute of national planning.
Chicago-Zitierstil (17. Ausg.)sack, K., und hermann linsel. Planning of Technical Progress in Socialist Countries: Planning of Research and Development. cairo: the institute of national planning, 1966.
MLA-Zitierstil (9. Ausg.)sack, K., und hermann linsel. Planning of Technical Progress in Socialist Countries: Planning of Research and Development. the institute of national planning, 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.