Não informado. (1976). Research in Economic History. JAI Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Research in Economic History. London: JAI Press, 1976.
Lua MLA (8ú heag.)Não informado. Research in Economic History. JAI Press, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.