Library of Congress Congressional Research Service. (19). Congressional Research Service, the Library of Congress.
Chicago-Zitierstil (17. Ausg.)Library of Congress Congressional Research Service. Congressional Research Service, the Library of Congress. Washington, DC, 19.
MLA-Zitierstil (9. Ausg.)Library of Congress Congressional Research Service. Congressional Research Service, the Library of Congress. 19.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.