Não informado. (1959). Czechoslovak economic papers. Ceskoslovenska Akademie of Sciences.
Lua i Stíl Chicago (17ú heag.)Não informado. Czechoslovak Economic Papers. Prague: Ceskoslovenska Akademie of Sciences, 1959.
Lua MLA (8ú heag.)Não informado. Czechoslovak Economic Papers. Ceskoslovenska Akademie of Sciences, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.