Lua APA (7ú heag.)
Martin, R. F. (2002). Hero of the heartland: Billy Sunday and the transformation of American society, 1862-1935. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)
Martin, Robert Francis. Hero of the Heartland: Billy Sunday and the Transformation of American Society, 1862-1935. Bloomington: Indiana University Press, 2002.
Lua MLA (9ú heag.)
Martin, Robert Francis. Hero of the Heartland: Billy Sunday and the Transformation of American Society, 1862-1935. Indiana University Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.