Mitchell, F. W. (1967). Sir Fred Clarke: Master-teacher, 1880-1952. Longmans.
芝加哥风格引文Mitchell, Frank Wyndham. Sir Fred Clarke: Master-teacher, 1880-1952. London: Longmans, 1967.
MLA引文Mitchell, Frank Wyndham. Sir Fred Clarke: Master-teacher, 1880-1952. Longmans, 1967.
警告：这些引文格式不一定是100％准确.