Simpson, G., & Merk, F. (1931). Fur trade and empire: George Simpson's journal; remarks connected with the fur trade in the course of a voyage from York Factory to Fort George and back to York Factory 1824-1825; together with accompanying documents. Harvard University press; H. Milford, Oxford university.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimpson, George, और Frederick Merk. Fur Trade and Empire: George Simpson's Journal; Remarks Connected with the Fur Trade in the Course of a Voyage from York Factory to Fort George and Back to York Factory 1824-1825; Together with Accompanying Documents. Cambridge, London: Harvard University press; H. Milford, Oxford university, 1931.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSimpson, George, और Frederick Merk. Fur Trade and Empire: George Simpson's Journal; Remarks Connected with the Fur Trade in the Course of a Voyage from York Factory to Fort George and Back to York Factory 1824-1825; Together with Accompanying Documents. Harvard University press; H. Milford, Oxford university, 1931.