Bell, M. M. (2012). Invitation to Environmental Sociology (4th.). Sage Publication.
芝加哥风格引文Bell, Michael M. Invitation to Environmental Sociology. 4th. Sage Publication, 2012.
MLA引文Bell, Michael M. Invitation to Environmental Sociology. 4th. Sage Publication, 2012.
警告：这些引文格式不一定是100％准确.