Gray, J. (1979). The Biblical Doctrine of the Reign of God (1. print.). Clark.
芝加哥风格引文Gray, John. The Biblical Doctrine of the Reign of God. 1. print. Edinburgh: Clark, 1979.
MLA引文Gray, John. The Biblical Doctrine of the Reign of God. 1. print. Clark, 1979.
警告：这些引文格式不一定是100％准确.