APA-referens

Wellsz, G. (1973). Process engineering with economic objective. Leonard hill books.

Chicago-stil citat

Wellsz, G.L. Process Engineering with Economic Objective. Aylesbury: Leonard hill books, 1973.

MLA-referens

Wellsz, G.L. Process Engineering with Economic Objective. Leonard hill books, 1973.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.