Worldwide Church of God. (1991). The spirit world: Enlightenment or hidden dangers. Worldwide Church of God.
芝加哥风格引文Worldwide Church of God. The Spirit World: Enlightenment or Hidden Dangers. [Pasadena]: Worldwide Church of God, 1991.
MLA引文Worldwide Church of God. The Spirit World: Enlightenment or Hidden Dangers. Worldwide Church of God, 1991.
警告：这些引文格式不一定是100％准确.