APA

Concawe, . (1995). The classification and labelling of petroleum substances according to the EU dangerous substances directive. Brussels: Concawe.

Chicago

Concawe, . 1995. The classification and labelling of petroleum substances according to the EU dangerous substances directive. Brussels: Concawe.

Harvard

Concawe, . (1995). The classification and labelling of petroleum substances according to the EU dangerous substances directive. Brussels: Concawe.

MLA

Concawe, . The classification and labelling of petroleum substances according to the EU dangerous substances directive. Brussels: Concawe. 1995.