Vacek, E. C. (1996). Divine-command, natural-law, and mutual-love ethics. Theological studies, 57(4), 633-653.
芝加哥风格引文Vacek, Edward Collins. "Divine-command, Natural-law, and Mutual-love Ethics." Theological Studies 57, no. 4 (1996): 633-653.
MLA引文Vacek, Edward Collins. "Divine-command, Natural-law, and Mutual-love Ethics." Theological Studies, vol. 57, no. 4, 1996, pp. 633-653.
警告：这些引文格式不一定是100％准确.