Harkins. The Watchers in Jewish and Christian Traditions. Augsburg Fortress Publishers.
芝加哥风格引文Harkins. The Watchers in Jewish and Christian Traditions. Augsburg Fortress Publishers.
MLA引文Harkins. The Watchers in Jewish and Christian Traditions. Augsburg Fortress Publishers.
警告：这些引文格式不一定是100％准确.