Lua APA (7ú heag.)
Grivno, M. L. (2011). Gleanings of freedom: Free and slave labor along the Mason-Dixon Line, 1790-1860. University of Illinois Press.
Lua i Stíl Chicago (17ú heag.)
Grivno, Max L. Gleanings of Freedom: Free and Slave Labor Along the Mason-Dixon Line, 1790-1860. Urbana: University of Illinois Press, 2011.
Lua MLA (9ú heag.)
Grivno, Max L. Gleanings of Freedom: Free and Slave Labor Along the Mason-Dixon Line, 1790-1860. University of Illinois Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.