linsel, h., & sack, k. (1965). theoretical problems of industrial planning. the institute of national planning.
Citazione stile Chigago Style (17a edizione)linsel, h., e k. sack. Theoretical Problems of Industrial Planning. cairo: the institute of national planning, 1965.
Citatione MLA (9a ed.)linsel, h., e k. sack. Theoretical Problems of Industrial Planning. the institute of national planning, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.