BCS The Chartered Institute for IT. (2012). Green IT: Managing your carbon footprint. British Informatics Society Ltd.
Trích dẫn kiểu ChicagoBCS The Chartered Institute for IT. Green IT: Managing Your Carbon Footprint. British Informatics Society Ltd, 2012.
Deismireacht MLABCS The Chartered Institute for IT. Green IT: Managing Your Carbon Footprint. British Informatics Society Ltd, 2012.
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