Library of Congress. (2009). Free-Floating subdivision: An alphabetical index. Washington, DC: Library of Congress.
Chicago-stil citatLibrary of Congress. Free-Floating Subdivision: An Alphabetical Index. Washington, DC: Library of Congress, 2009.
MLA-referensLibrary of Congress. Free-Floating Subdivision: An Alphabetical Index. Washington, DC: Library of Congress, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.