American Chamber of Commerce in Belgium. EC Committee. (1994). The EC environment guide. Belgium.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Chamber of Commerce in Belgium. EC Committee. The EC Environment Guide. EC Committee of the American Chamber of Commerce: Belgium, 1994.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Chamber of Commerce in Belgium. EC Committee. The EC Environment Guide. Belgium, 1994.
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