tolle eckhart. (2001). Power Of Now: A Guide To Spiritual Enlightenment. yogi impyaassion.
芝加哥风格引文tolle eckhart. Power Of Now: A Guide To Spiritual Enlightenment. Mumbai: yogi impyaassion, 2001.
MLA引文tolle eckhart. Power Of Now: A Guide To Spiritual Enlightenment. yogi impyaassion, 2001.
警告：这些引文格式不一定是100％准确.