Citação norma APA

(1991). Chemical emergency preparedness and prevention technical assistance bulletin: Cameron County, Texas ; Bucks County, Pennsylvania ; Harford County, Maryland ; Dallas County, Texas.

Citação norma Chicago

Chemical Emergency Preparedness and Prevention Technical Assistance Bulletin: Cameron County, Texas ; Bucks County, Pennsylvania ; Harford County, Maryland ; Dallas County, Texas. 1991.

Citação norma MLA

Chemical Emergency Preparedness and Prevention Technical Assistance Bulletin: Cameron County, Texas ; Bucks County, Pennsylvania ; Harford County, Maryland ; Dallas County, Texas. 1991.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.