Ashby, W. (1980). Frank Porter Graham: A Southern liberal. Blair.
芝加哥风格引文Ashby, Warren. Frank Porter Graham: A Southern Liberal. Winston-Salem, N.C: Blair, 1980.
MLA引文Ashby, Warren. Frank Porter Graham: A Southern Liberal. Blair, 1980.
警告：这些引文格式不一定是100％准确.