Lewis, S. (1988). The United States: Its past, purpose, and promise (Teacher's guide & resource.). Janus Books.
Chicago-Zitierstil (17. Ausg.)Lewis, Sherman. The United States: Its Past, Purpose, and Promise. Teacher's guide & resource. Hayward, CA: Janus Books, 1988.
MLA-Zitierstil (9. Ausg.)Lewis, Sherman. The United States: Its Past, Purpose, and Promise. Teacher's guide & resource. Janus Books, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.