Webber, R. E. (1982). Secular humanism: Threat and challenge. Zondervan.
芝加哥风格引文Webber, Robert E. Secular Humanism: Threat and Challenge. Michigan: Zondervan, 1982.
MLA引文Webber, Robert E. Secular Humanism: Threat and Challenge. Zondervan, 1982.
警告：这些引文格式不一定是100％准确.