Bahm, A. J. (1980). Ethics: The science of oughtness. Archie J. Bahm.
芝加哥风格引文Bahm, Archie J. Ethics: The Science of Oughtness. Albuquerque: Archie J. Bahm, 1980.
MLA引文Bahm, Archie J. Ethics: The Science of Oughtness. Archie J. Bahm, 1980.
警告：这些引文格式不一定是100％准确.