Ruiz Don Miguel. (1997). Four Agreements. Amber -Allen Publishing.
芝加哥风格引文Ruiz Don Miguel. Four Agreements. Amber -Allen Publishing, 1997.
MLA引文Ruiz Don Miguel. Four Agreements. Amber -Allen Publishing, 1997.
警告：这些引文格式不一定是100％准确.
APA引文