Allen, B. (2022). Explorer: The quest for adventure and the great unknown. Canongate.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAllen, Benedict. Explorer: The Quest for Adventure and the Great Unknown. Edinburgh: Canongate, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAllen, Benedict. Explorer: The Quest for Adventure and the Great Unknown. Canongate, 2022.
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