Turnbull, G., & Broadie, A. (2005). The principles of moral and Christian philosophy. Liberty Fund.
芝加哥风格引文Turnbull, George, 与 Alexander Broadie. The Principles of Moral and Christian Philosophy. Indianapolis: Liberty Fund, 2005.
MLA引文Turnbull, George, 与 Alexander Broadie. The Principles of Moral and Christian Philosophy. Liberty Fund, 2005.
警告：这些引文格式不一定是100％准确.