sach, k., & linsel, h. (1965). management in socialist industry and enterprises. National Planning Institute.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিsach, kurt, এবং hermann linsel. Management in Socialist Industry and Enterprises. cairo: National Planning Institute, 1965.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিsach, kurt, এবং hermann linsel. Management in Socialist Industry and Enterprises. National Planning Institute, 1965.