APA (7th ed.) Zitazioa

Spufford, P. (1967). Origins of the English Parliament (C-1.). Longmans.

Chicago Style (17th ed.) Zitazioa

Spufford, Peter. Origins of the English Parliament. C-1. London: Longmans, 1967.

MLA (9th ed.) Zitazioa

Spufford, Peter. Origins of the English Parliament. C-1. Longmans, 1967.