Holland, S. (1976). The regional problem. Macmillan.
Lua i Stíl Chicago (17ú heag.)Holland, Stuart. The Regional Problem. London: Macmillan, 1976.
Lua MLA (9ú heag.)Holland, Stuart. The Regional Problem. Macmillan, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.