Dressman, F. (1994). Gus Wortham: Portrait of a leader. Texas A & M University Press.
芝加哥风格引文Dressman, Fran. Gus Wortham: Portrait of a Leader. College Station: Texas A & M University Press, 1994.
MLA引文Dressman, Fran. Gus Wortham: Portrait of a Leader. Texas A & M University Press, 1994.
警告：这些引文格式不一定是100％准确.