Spate, O. H. K. (1954). India and Pakistan: A general and regional geography with a chapter on Ceylon by B. H. Farmer. Methuen.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpate, Oskar Hermann Khristian. India and Pakistan: A General and Regional Geography with a Chapter on Ceylon by B. H. Farmer. London: Methuen, 1954.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSpate, Oskar Hermann Khristian. India and Pakistan: A General and Regional Geography with a Chapter on Ceylon by B. H. Farmer. Methuen, 1954.
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