Não informado. (1967). Information Retrieval & Library Automation. American Data Processing.
Lua i Stíl Chicago (17ú heag.)Não informado. Information Retrieval & Library Automation. Detroit, Mich: American Data Processing, 1967.
Lua MLA (8ú heag.)Não informado. Information Retrieval & Library Automation. American Data Processing, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.