ebrary, Inc, Furtak, R. A., Ellsworth, J., & Reid, J. D. (2012). Thoreau's importance for philosophy. Fordham University Press.
芝加哥风格引文ebrary, Inc, Rick Anthony Furtak, Jonathan Ellsworth, 与 James D. Reid. Thoreau's Importance for Philosophy. New York: Fordham University Press, 2012.
MLA引文ebrary, Inc, et al. Thoreau's Importance for Philosophy. Fordham University Press, 2012.
警告：这些引文格式不一定是100％准确.