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