Cowen, R. (1996). Beyond discovery: The ozone depletion phenomenon. National Aademy of Sciences.
芝加哥风格引文Cowen, Ron. Beyond Discovery: The Ozone Depletion Phenomenon. [Washington, D.C.]: National Aademy of Sciences, 1996.
MLA引文Cowen, Ron. Beyond Discovery: The Ozone Depletion Phenomenon. National Aademy of Sciences, 1996.
警告：这些引文格式不一定是100％准确.