APA-referens

United nations industrial development organization Vienna. (1973). The petrochemical industry. New York: United Nation.

Chicago-stil citat

United nations industrial development organization Vienna. The Petrochemical Industry. New York: United Nation, 1973.

MLA-referens

United nations industrial development organization Vienna. The Petrochemical Industry. New York: United Nation, 1973.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.