linsel, h., & sack, k. (1965). theoretical problems of industrial planning. the institute of national planning.
Cita Chicago (17th ed.)linsel, h., i k. sack. Theoretical Problems of Industrial Planning. cairo: the institute of national planning, 1965.
Cita MLA (9th ed.)linsel, h., i k. sack. Theoretical Problems of Industrial Planning. the institute of national planning, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.