FONER, E., & MAHONEY, O. (1990). A house divided: America in the age of Lincoln. CHS and W.W. Norton.
Lua i Stíl Chicago (17ú heag.)FONER, Eric, agus Olivia MAHONEY. A House Divided: America in the Age of Lincoln. Ner York: CHS and W.W. Norton, 1990.
Lua MLA (9ú heag.)FONER, Eric, agus Olivia MAHONEY. A House Divided: America in the Age of Lincoln. CHS and W.W. Norton, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.