Luhmann, N. (1998). Observations on modernity. Stanford University Press.
Chicago Style (17th ed.) CitationLuhmann, Niklas. Observations on Modernity. Stanford, Calif: Stanford University Press, 1998.
MLA引文Luhmann, Niklas. Observations on Modernity. Stanford University Press, 1998.
警告：這些引文格式不一定是100％准確.