APA
Martin D.E, Concawe, . (1998). Trends in oil discharged with aqueous effluents from oil refineries in Europe 1997 survey. Brussels: Concawe.
Chicago
Martin D.E, Concawe, . 1998. Trends in oil discharged with aqueous effluents from oil refineries in Europe 1997 survey. Brussels: Concawe.
Harvard
Martin D.E, Concawe, . (1998). Trends in oil discharged with aqueous effluents from oil refineries in Europe 1997 survey. Brussels: Concawe.
MLA
Martin D.E, Concawe, . Trends in oil discharged with aqueous effluents from oil refineries in Europe 1997 survey. Brussels: Concawe. 1998.