Zwirn, J. (1983). Congressional publications: A research guide to legislation, budgets, and treaties. Libraries Unlimited.
Chicago-Zitierstil (17. Ausg.)Zwirn, Jerrold. Congressional Publications: A Research Guide to Legislation, Budgets, and Treaties. Littleton, Colo: Libraries Unlimited, 1983.
MLA-Zitierstil (9. Ausg.)Zwirn, Jerrold. Congressional Publications: A Research Guide to Legislation, Budgets, and Treaties. Libraries Unlimited, 1983.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.