Skurka, A. (2017). The ultimate hiker's gear guide: Tools & techniques to hit the trail (Second edition.). National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSkurka, Andrew. The Ultimate Hiker's Gear Guide: Tools & Techniques to Hit the Trail. Second edition. Washington, D.C.: National Geographic, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSkurka, Andrew. The Ultimate Hiker's Gear Guide: Tools & Techniques to Hit the Trail. Second edition. National Geographic, 2017.
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