Kalsbeek, L. (1975). Contours of a christian philosophy: An introduction to Hermans Dooyeweerd's thought. Wedge Foundation.
芝加哥风格引文Kalsbeek, L. Contours of a Christian Philosophy: An Introduction to Hermans Dooyeweerd's Thought. Toronto: Wedge Foundation, 1975.
MLA引文Kalsbeek, L. Contours of a Christian Philosophy: An Introduction to Hermans Dooyeweerd's Thought. Wedge Foundation, 1975.
警告：这些引文格式不一定是100％准确.