Não informado. (1975). Bulletin of the Natural History Research Center. University of Baghdad.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Natural History Research Center. Baghdad: University of Baghdad, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Natural History Research Center. University of Baghdad, 1975.
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