Siber, K. (2020). 100 hikes of a lifetime: The world's ultimate scenic trails. National Geographic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSiber, Kate. 100 Hikes of a Lifetime: The World's Ultimate Scenic Trails. Washington, D.C.: National Geographic, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSiber, Kate. 100 Hikes of a Lifetime: The World's Ultimate Scenic Trails. National Geographic, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.