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