National Museum of American History. (1990). Official guide to the National Museum of American History. Smithsonian Inst. Press.
Chicago-Zitierstil (17. Ausg.)National Museum of American History. Official Guide to the National Museum of American History. Washington, D.C: Smithsonian Inst. Press, 1990.
MLA-Zitierstil (9. Ausg.)National Museum of American History. Official Guide to the National Museum of American History. Smithsonian Inst. Press, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.