The United States government manual, 2011 / Office of the Federal Register, Nation. archives a. records administration. - Washington : U.S. Gov. Print. Off., [2011]. - ix, 602 p. : tab. ; 23 cm.см.. - The 75th ann. of the federal register, 1935-2010. - სახ. საძიებელი: გვ.: 591-602. - ISBN 978-0-16-087470-3[MFN: 33805]
The United States government manual, 2012 / Office of the Federal Register, Nation. archives a. records administration. - Washington : U.S.Gov. Print. Off., [2012]. - x, 610 p. : ill. ; 23 cm.см.. - სახ. საძიებელი: გვ.: 599-610. - ISBN 978-0-16-090014-3[MFN: 40122]