APA استشهاد

(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.].

استشهاد بنمط شيكاغو

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 استشهاد

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.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.