(2001). Nordrhein-Westfalen-Jahrbuch. Saur.
Chicago Style (17th ed.) CitationNordrhein-Westfalen-Jahrbuch. München: Saur, 2001.
MLA (8th ed.) CitationNordrhein-Westfalen-Jahrbuch. Saur, 2001.
Warning: These citations may not always be 100% accurate.