Não informado. (1916). Book of ASTM standards. American Society for Testing and Materials.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Book of ASTM Standards. Philadelphia, Pa: American Society for Testing and Materials, 1916.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Book of ASTM Standards. American Society for Testing and Materials, 1916.
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