Visaria, P. M. (1990). Concepts and measurement of unemployment and underemployment in ESCAP countries: A comparative study. Gujarat Institute of Area Planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVisaria, Pravin M. Concepts and Measurement of Unemployment and Underemployment in ESCAP Countries: A Comparative Study. Ahmedabad: Gujarat Institute of Area Planning, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVisaria, Pravin M. Concepts and Measurement of Unemployment and Underemployment in ESCAP Countries: A Comparative Study. Gujarat Institute of Area Planning, 1990.
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