Não informado. (1967). Journal of the IRI. Institution of the Rubber Industry.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of the IRI. London: Institution of the Rubber Industry, 1967.
Lua MLA (8ú heag.)Não informado. Journal of the IRI. Institution of the Rubber Industry, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.