Richards, P. J., & Gooneratne, W. (1980). Basic needs, poverty, and government policies in Sri Lanka. International Labour Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichards, P. J., और Wilbert Gooneratne. Basic Needs, Poverty, and Government Policies in Sri Lanka. Geneva: International Labour Office, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRichards, P. J., और Wilbert Gooneratne. Basic Needs, Poverty, and Government Policies in Sri Lanka. International Labour Office, 1980.
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