Landsburgh, R. H. (1926). Industrial safety. The American Avademy of Political and Social Science.
芝加哥风格引文Landsburgh, Richard Hines. Industrial Safety. Philadelphia: The American Avademy of Political and Social Science, 1926.
MLA引文Landsburgh, Richard Hines. Industrial Safety. The American Avademy of Political and Social Science, 1926.
警告：这些引文格式不一定是100％准确.