Welford, R. (1996). Corporate environmental management: Systems and strategies. Earthscan ; Universities Press.
芝加哥风格引文Welford, Richard. Corporate Environmental Management: Systems and Strategies. London : New Delhi: Earthscan ; Universities Press, 1996.
MLA引文Welford, Richard. Corporate Environmental Management: Systems and Strategies. Earthscan ; Universities Press, 1996.
警告：这些引文格式不一定是100％准确.