ebrary, Inc, Walker, R. L., & Ivanhoe, P. J. (2007). Working virtue: Virtue ethics and contemporary moral problems. Clarendon Press ; Oxford University Press.
芝加哥风格引文ebrary, Inc, Rebecca L. Walker, 与 P. J. Ivanhoe. Working Virtue: Virtue Ethics and Contemporary Moral Problems. Oxford : New York: Clarendon Press ; Oxford University Press, 2007.
MLA引文ebrary, Inc, et al. Working Virtue: Virtue Ethics and Contemporary Moral Problems. Clarendon Press ; Oxford University Press, 2007.
警告：这些引文格式不一定是100％准确.