CIBA-GEIGY Limited. Ciba-Geigy review. Ciba-Geigy.
Lua i Stíl Chicago (17ú heag.)CIBA-GEIGY Limited. Ciba-Geigy Review. Basel, Switzerland: Ciba-Geigy.
Lua MLA (8ú heag.)CIBA-GEIGY Limited. Ciba-Geigy Review. Ciba-Geigy.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.