Imperial Chemical Industries Ltd. Dyestuffs Division. (1956). Procion dyestuffs in textile printing. Dyestuffs Division, Imperial Chemical Industries Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रImperial Chemical Industries Ltd. Dyestuffs Division. Procion Dyestuffs in Textile Printing. London: Dyestuffs Division, Imperial Chemical Industries Ltd, 1956.
एमएलए (9वां संस्करण) प्रशस्ति पत्रImperial Chemical Industries Ltd. Dyestuffs Division. Procion Dyestuffs in Textile Printing. Dyestuffs Division, Imperial Chemical Industries Ltd, 1956.
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