Eayrs, J. (1961). Northern approaches: Canada and the search for peace. Macmillan Co. of Canada.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEayrs, James. Northern Approaches: Canada and the Search for Peace. Toronto: Macmillan Co. of Canada, 1961.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEayrs, James. Northern Approaches: Canada and the Search for Peace. Macmillan Co. of Canada, 1961.
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