Não informado. (1976). Phosphorus and sulfur and the related elements. Gordon and Breach.
Lua i Stíl Chicago (17ú heag.)Não informado. Phosphorus and Sulfur and the Related Elements. New York: Gordon and Breach, 1976.
Lua MLA (8ú heag.)Não informado. Phosphorus and Sulfur and the Related Elements. Gordon and Breach, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.