Gray, C. (1960). Laboratory handbook of toxic agents. Prentice - hall.
Chicago Style (17th ed.) ZitazioaGray, C.H. Laboratory Handbook of Toxic Agents. New Jersey: Prentice - hall, 1960.
MLA (9th ed.) ZitazioaGray, C.H. Laboratory Handbook of Toxic Agents. Prentice - hall, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.