Ross, S., & Biesty, S. (2011). Into the unknown: How great explorers found their way by land, sea, and air (1st U.S. ed.). Candlewick Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoss, Stewart, और Stephen Biesty. Into the Unknown: How Great Explorers Found Their Way by Land, Sea, and Air. 1st U.S. ed. Somerville, Mass.: Candlewick Press, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRoss, Stewart, और Stephen Biesty. Into the Unknown: How Great Explorers Found Their Way by Land, Sea, and Air. 1st U.S. ed. Candlewick Press, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.