Langsdorff, G. H. v. (1813). Voyages and travels in various parts of the world: During the years 1803, 1804, 1805, 1806, and 1807. H. Colburn; [etc., etc.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLangsdorff, G. H. von. Voyages and Travels in Various Parts of the World: During the Years 1803, 1804, 1805, 1806, and 1807. London: H. Colburn; [etc., etc.], 1813.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLangsdorff, G. H. von. Voyages and Travels in Various Parts of the World: During the Years 1803, 1804, 1805, 1806, and 1807. H. Colburn; [etc., etc.], 1813.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.