Birch, D. (1980). Energy options for low-lift irrigation pumps in developing countries: The case of Bangladesh and Egypt. International Labour Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBirch, D.R. Energy Options for Low-lift Irrigation Pumps in Developing Countries: The Case of Bangladesh and Egypt. Geneva: International Labour Office, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBirch, D.R. Energy Options for Low-lift Irrigation Pumps in Developing Countries: The Case of Bangladesh and Egypt. International Labour Office, 1980.
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