APA-referens (7:e uppl.)

Price, C. (2010). The Kogod Courtyard: National Portrait Gallery and Smithsonian American Art Museum, Washington, DC. Topos.

Chicago-referens (17:e uppl.)

Price, Constance. "The Kogod Courtyard: National Portrait Gallery and Smithsonian American Art Museum, Washington, DC." Topos 2010.

MLA-referens (8:e uppl.)

Price, Constance. "The Kogod Courtyard: National Portrait Gallery and Smithsonian American Art Museum, Washington, DC." Topos, 2010.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.