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«Company LocationsАрхівавана 20 студзеня 2013..» Northrop Grumman. Retrieved on 6 September 2011. «Northrop Grumman Corporation United Kingdom Headquarters Clareville House Oxendon Street London SW1Y 4EL UK»
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«MapsАрхівавана 5 верасня 2011 года..» City of Westminster. Retrieved on 28 August 2009.
«Contact UsАрхівавана 28 сакавіка 2010 года..» Rio Tinto Group. Retrieved on 9 April 2010. «Rio Tinto plc head office 2 Eastbourne Terrace London W2 6LG UK»
«Kingfisher GroupАрхівавана 7 сакавіка 2011..» Kingfisher plc. Retrieved on 2 February 2011. «Corporate Responsibility Kingfisher plc 3 Sheldon Square Paddington London W2 6PX.»
«United KingdomАрхівавана 7 мая 2014..» SABMiller. Retrieved on 20 October 2009. «SABMiller plc Head office One Stanhope Gate London W1K 1AF England»
«Company LocationsАрхівавана 20 студзеня 2013..» Northrop Grumman. Retrieved on 6 September 2011. «Northrop Grumman Corporation United Kingdom Headquarters Clareville House Oxendon Street London SW1Y 4EL UK»