Gaya APA
Cashman, J, R. (1988).
Hazardous Materials Emergencies : Response And Control (2 Revisi).
pennsylvania:
Technomic,Publish.Inc.
Gaya MLA
Cashman, John, R..
"Hazardous Materials Emergencies : Response And Control".
2 Revisi
pennsylvania:
Technomic,Publish.Inc,
1988.
Text.