Lua APA (7ú heag.)
Lampe, G. P. (1998). Frederick Douglass: Freedom's voice, 1818-1845. Michigan State University Press.
Lua i Stíl Chicago (17ú heag.)
Lampe, Gregory P. Frederick Douglass: Freedom's Voice, 1818-1845. East Lansing: Michigan State University Press, 1998.
Lua MLA (9ú heag.)
Lampe, Gregory P. Frederick Douglass: Freedom's Voice, 1818-1845. Michigan State University Press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.