Não informado. (1958). Research Management. Technomic Publishing Company.
Lua i Stíl Chicago (17ú heag.)Não informado. Research Management. Lancaster, Pa: Technomic Publishing Company, 1958.
Lua MLA (8ú heag.)Não informado. Research Management. Technomic Publishing Company, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.