APA (7 वां संस्करण) प्रशस्ति पत्र

Não informado. (2007). Buyers guide of chemicals: Chemical plant, laboratory equipment. Society of Chemical Industry.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Não informado. Buyers Guide of Chemicals: Chemical Plant, Laboratory Equipment. London: Society of Chemical Industry, 2007.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Não informado. Buyers Guide of Chemicals: Chemical Plant, Laboratory Equipment. Society of Chemical Industry, 2007.

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