Detter Delupis, I. (1987). Finance and protection of investments in developing countries (2nd ed.). Gower.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDetter Delupis, Ingrid. Finance and Protection of Investments in Developing Countries. 2nd ed. Aldershot, Hants, England: Gower, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDetter Delupis, Ingrid. Finance and Protection of Investments in Developing Countries. 2nd ed. Gower, 1987.
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