Youngman, I. (1999). Directors' and Officers' Liability Insurance (Second Edition). ELSEVIER.
芝加哥风格引文Youngman, Ian. Directors' and Officers' Liability Insurance (Second Edition). ELSEVIER, 1999.
MLA引文Youngman, Ian. Directors' and Officers' Liability Insurance (Second Edition). ELSEVIER, 1999.
警告：这些引文格式不一定是100％准确.