Rolle, A. F., & Verge, A. C. (2015). California: A history (Eight edition.). Wiley Blackwell.
Lua i Stíl Chicago (17ú heag.)Rolle, Andrew F., agus Arthur C. Verge. California: A History. Eight edition. Chichester, England ; Malden, Massachusetts ; Oxford, England: Wiley Blackwell, 2015.
Lua MLA (9ú heag.)Rolle, Andrew F., agus Arthur C. Verge. California: A History. Eight edition. Wiley Blackwell, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.