sack, k., & linsel, h. (1966). general organization of planning of industry (ed. 2.). National Planning Institute.
Chicago-Zitierstil (17. Ausg.)sack, kurt, und hermann linsel. General Organization of Planning of Industry. ed. 2. cairo: National Planning Institute, 1966.
MLA-Zitierstil (9. Ausg.)sack, kurt, und hermann linsel. General Organization of Planning of Industry. ed. 2. National Planning Institute, 1966.