United States. Office of the Federal Register. Federal Register, Volume 74, Number 84, May 4, 2009, Pages 20405-20558. Washington D.C.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc132946/. Accessed July 28, 2014.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.