Não informado. Yale economic essays. Yale University.
Lua i Stíl Chicago (17ú heag.)Não informado. Yale Economic Essays. New Haven, Conn: Yale University.
Lua MLA (8ú heag.)Não informado. Yale Economic Essays. Yale University.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.