APA aipamena

Smith, D. (1964). Harold Wilson: A critical biography. London: Hale.

Chicago Style aipamena

Smith, Dudley. Harold Wilson: A Critical Biography. London: Hale, 1964.

MLA aipamena

Smith, Dudley. Harold Wilson: A Critical Biography. London: Hale, 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.