Williams, H. A. (1975). Poverty, chastity & obedience: The true virtues. Mitchell Beazley.
芝加哥风格引文Williams, Harry A. Poverty, Chastity & Obedience: The True Virtues. London: Mitchell Beazley, 1975.
MLA引文Williams, Harry A. Poverty, Chastity & Obedience: The True Virtues. Mitchell Beazley, 1975.
警告：这些引文格式不一定是100％准确.