Butterworth. Baseball and Rhetorics of Purity. The University of Alabama Press.
Chicago-referens (17:e uppl.)Butterworth. Baseball and Rhetorics of Purity. The University of Alabama Press.
MLA-referens (9:e uppl.)Butterworth. Baseball and Rhetorics of Purity. The University of Alabama Press.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.