Pollard, S. (1969). The development of the British economy, 1914-1967 (2nd ed., revised.). Edward Arnold.
Lua i Stíl Chicago (17ú heag.)Pollard, Sidney. The Development of the British Economy, 1914-1967. 2nd ed., revised. London: Edward Arnold, 1969.
Lua MLA (8ú heag.)Pollard, Sidney. The Development of the British Economy, 1914-1967. 2nd ed., revised. Edward Arnold, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.