Não informado. (1986). Performance Chemicals. Reed Business Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Performance Chemicals. Surrey, Inglaterra: Reed Business Publishing, 1986.
Lua MLA (8ú heag.)Não informado. Performance Chemicals. Reed Business Publishing, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.