Sierra Club. (2002). What's lost, what's left: A status report on the plants & animals of the Lewis & Clark expedition. Sierra Club.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSierra Club. What's Lost, What's Left: A Status Report on the Plants & Animals of the Lewis & Clark Expedition. [Seattle, WA]: Sierra Club, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSierra Club. What's Lost, What's Left: A Status Report on the Plants & Animals of the Lewis & Clark Expedition. Sierra Club, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.