Green, W. S. (1890). Among the Selkirk glaciers: Being the account of a rough survey in the Rocky mountain regions of British Columbia. Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreen, William Spotswood. Among the Selkirk Glaciers: Being the Account of a Rough Survey in the Rocky Mountain Regions of British Columbia. London, New York: Macmillan, 1890.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGreen, William Spotswood. Among the Selkirk Glaciers: Being the Account of a Rough Survey in the Rocky Mountain Regions of British Columbia. Macmillan, 1890.
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