"North Sea". Country Analysis Briefs. Energy Information Administration (EIA). Enero 2007. Ginkuhà 23 Enero 2008.
"North Sea Facts". Royal Belgian Institute of Natural Sciences. Management Unit of North Sea Mathematical Models. Ginhipos tikang han orihinal han 2 Hunyo 2008. Ginkuhà 15 Pebrero 2009.
Padugang nga barasahon
Starkey, David J.; Morten Hahn-Pedersen (2005). Bridging troubled waters: Conflict and co-operation in the North Sea Region since 1550. Esbjerg [Denmark]: Fiskeri-og Søfartsmuseets. ISBN 87-90982-30-4.
Ilyina, Tatjana P (2007). The fate of persistent organic pollutants in the North Sea multiple year model simulations of [gamma]-HCH, [alpha]-HCH and PCB 153Tatjana P Ilyina;. Berlin ; New York: Springer. ISBN 978-3-540-68163-2.
Karlsdóttir, Hrefna M. (2005). Fishing on common grounds: the consequences of unregulated fisheries of North Sea Herring in the postwar period. Göteborg: Ekonomisk-Historiska Inst., Göteborg Univ.. ISBN 91-85196-62-2.
Tiedeke, Thorsten; Werner Weiler (2007). North Sea coast: landscape panoramas. Nelson: NZ Visitor; Lancaster: Gazelle Drake Academic. ISBN 978-1-877339-65-3.
ed. by Erik Thoen (2007). Rural history in the North Sea area: a state of the art (Middle Ages – beginning 20th century). Turnhout: Brepols. ISBN 978-2-503-51005-7.
Zeelenberg, Sjoerd (2005). Offshore wind energy in the North Sea Region: the state of affairs of offshore wind energy projects, national policies and economic, environmental and technological conditions in Denmark, Germany, The Netherlands, Belgium and the United Kingdom. Groningen: University of Groningen. OCLC71640714.
Mga sumpay ha gawas
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