(1978). The Statesman's year-book: Statistical and historical annual of the states of the world, 1978-1979. Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Statesman's Year-book: Statistical and Historical Annual of the States of the World, 1978-1979. Macmillan, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Statesman's Year-book: Statistical and Historical Annual of the States of the World, 1978-1979. Macmillan, 1978.
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