Não informado. (1953). Journal of Photographic Science. Royal Photographic Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Photographic Science. London: Royal Photographic Society, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Photographic Science. Royal Photographic Society, 1953.
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