APA-referens

(2006). Washington, D.C.: Digital picture postcard : 250 premium photographs of Washington D.C.'famous site and landmarks on a computer CD disk. [k.đ.]: [k.n.x.b.].

Chicago-stil citat

Washington, D.C.: Digital Picture Postcard : 250 Premium Photographs of Washington D.C.'famous Site and Landmarks On a Computer CD Disk. [k.đ.]: [k.n.x.b.], 2006.

MLA-referens

Washington, D.C.: Digital Picture Postcard : 250 Premium Photographs of Washington D.C.'famous Site and Landmarks On a Computer CD Disk. [k.đ.]: [k.n.x.b.], 2006.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.