linsel, h., & sach, k. (1965). practical problems of investment: Planning and financing. National Planning Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रlinsel, hermann, और kurt sach. Practical Problems of Investment: Planning and Financing. cairo: National Planning Institute, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रlinsel, hermann, और kurt sach. Practical Problems of Investment: Planning and Financing. National Planning Institute, 1965.
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