APA
Concawe, . (1996). Environmental risk assessment of petroleum substances. The hydrocarbon block method. Brussels: Concawe.
Chicago
Concawe, . 1996. Environmental risk assessment of petroleum substances. The hydrocarbon block method. Brussels: Concawe.
Harvard
Concawe, . (1996). Environmental risk assessment of petroleum substances. The hydrocarbon block method. Brussels: Concawe.
MLA
Concawe, . Environmental risk assessment of petroleum substances. The hydrocarbon block method. Brussels: Concawe. 1996.