APA

White L, Concawe & White L. (1991). Sulphur dioxide emissions from oil refineries and combustion of oil products in Western Europe (1989). Brussels: Concawe.

Chicago

White L, Concawe and White L. 1991. Sulphur dioxide emissions from oil refineries and combustion of oil products in Western Europe (1989). Brussels: Concawe.

Harvard

White L, Concawe and White L. (1991). Sulphur dioxide emissions from oil refineries and combustion of oil products in Western Europe (1989). Brussels: Concawe.

MLA

White L, Concawe and White L. Sulphur dioxide emissions from oil refineries and combustion of oil products in Western Europe (1989). Brussels: Concawe. 1991.