linsel, h., & sach, k. (1965). practical problems of investment: Planning and financing. National Planning Institute.
Cita Chicago (17th ed.)linsel, hermann, i kurt sach. Practical Problems of Investment: Planning and Financing. cairo: National Planning Institute, 1965.
Cita MLA (9th ed.)linsel, hermann, i kurt sach. Practical Problems of Investment: Planning and Financing. National Planning Institute, 1965.