(2005). Nordrhein-Westfalen-Jahrbuch. Saur.
Chicago Style (17th ed.) CitationNordrhein-Westfalen-Jahrbuch. München: Saur, 2005.
MLA (8th ed.) CitationNordrhein-Westfalen-Jahrbuch. Saur, 2005.
Warning: These citations may not always be 100% accurate.