Não informado. (1960). Chemical economics newsletter. Stanford Research Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Chemical Economics Newsletter. Menlo Park, Calif: Stanford Research Institute, 1960.
Lua MLA (8ú heag.)Não informado. Chemical Economics Newsletter. Stanford Research Institute, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.