Gray, C. (1960). Laboratory handbook of toxic agents. Prentice - hall.
Lua i Stíl Chicago (17ú heag.)Gray, C.H. Laboratory Handbook of Toxic Agents. New Jersey: Prentice - hall, 1960.
Lua MLA (9ú heag.)Gray, C.H. Laboratory Handbook of Toxic Agents. Prentice - hall, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.