Bagehot, W. (1881). Biographical studies. Longmans Green.
Chicago Style (17th ed.) ZitazioaBagehot, Walter. Biographical Studies. Londres: Longmans Green, 1881.
MLA (9th ed.) ZitazioaBagehot, Walter. Biographical Studies. Longmans Green, 1881.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.