Dürckheim, K. (1977). Hara: The vital centre of man. Unwin Books.
芝加哥风格引文Dürckheim, Karlfried. Hara: The Vital Centre of Man. London: Unwin Books, 1977.
MLA引文Dürckheim, Karlfried. Hara: The Vital Centre of Man. Unwin Books, 1977.
警告：这些引文格式不一定是100％准确.