Bruxvoort Lipscomb, Benjamin J. (Ed.) and James Krueger (Ed.). "Frontmatter" Kant’s Moral Metaphysics. Berlin, Boston: DE GRUYTER, 2010. I-IV. Web. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/books/9783110220049/9783110220049.fm/9783110220049.fm.xml

Frontmatter (2010). Kant’s Moral Metaphysics (pp. I-IV). Berlin, Boston: DE GRUYTER. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/books/9783110220049/9783110220049.fm/9783110220049.fm.xml

Bruxvoort Lipscomb, Benjamin J. (Ed.) and James Krueger (Ed.). 2010. Frontmatter. In Kant’s Moral Metaphysics, I-IV. Berlin, Boston: DE GRUYTER. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/books/9783110220049/9783110220049.fm/9783110220049.fm.xml