Turnor, C. H. (1865). Astra castra: Experiments and adventures in the atmosphere. Chapman and Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTurnor, Christopher Hatton. Astra Castra: Experiments and Adventures in the Atmosphere. London: Chapman and Hall, 1865.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTurnor, Christopher Hatton. Astra Castra: Experiments and Adventures in the Atmosphere. Chapman and Hall, 1865.
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