Perceval, S. (1986). The papers of Spencer Perceval. Harvester Press Microform Publications ; Research Publications [distributor].
Lua i Stíl Chicago (17ú heag.)Perceval, Spencer. The Papers of Spencer Perceval. Sussex, England : Woodbridge, CT: Harvester Press Microform Publications ; Research Publications [distributor], 1986.
Lua MLA (8ú heag.)Perceval, Spencer. The Papers of Spencer Perceval. Harvester Press Microform Publications ; Research Publications [distributor], 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.