North Sea Task Force. (1993). North sea quality status report 1993. Olsen and Olsen.
Chicago Style (17th ed.) CitationNorth Sea Task Force. North Sea Quality Status Report 1993. Fredensborg: Olsen and Olsen, 1993.
MLA (9th ed.) CitationNorth Sea Task Force. North Sea Quality Status Report 1993. Olsen and Olsen, 1993.
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