Não informado. (1973). Chemical Engineering Communications. Gordon and Breach Science.
Lua i Stíl Chicago (17ú heag.)Não informado. Chemical Engineering Communications. Philadelphia, Pa: Gordon and Breach Science, 1973.
Lua MLA (8ú heag.)Não informado. Chemical Engineering Communications. Gordon and Breach Science, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.