APA-referens

Hansen,Pierre. (1987). Systems of cities and facility location. Harwood Academic.

Chicago-stil citat

Hansen,Pierre. Systems of Cities and Facility Location. London: Harwood Academic, 1987.

MLA-referens

Hansen,Pierre. Systems of Cities and Facility Location. Harwood Academic, 1987.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.