(1970). Literacy 1967-1969: Progress achived in literary throughout the world. UNESCO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLiteracy 1967-1969: Progress Achived in Literary Throughout the World. Paris: UNESCO, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLiteracy 1967-1969: Progress Achived in Literary Throughout the World. UNESCO, 1970.
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