Early, G. L. (2011). A level playing field: African American athletes and the republic of sports. Harvard University Press.
芝加哥风格引文Early, Gerald Lyn. A Level Playing Field: African American Athletes and the Republic of Sports. Cambridge, Mass.: Harvard University Press, 2011.
MLA引文Early, Gerald Lyn. A Level Playing Field: African American Athletes and the Republic of Sports. Harvard University Press, 2011.
警告：这些引文格式不一定是100％准确.