Hawken, P. (1993). The ecology of commerce: How business can save the planet. London: Weidenfeld & Nicolson.
芝加哥风格引文Hawken, Paul. The Ecology of Commerce: How Business Can Save the Planet. London: Weidenfeld & Nicolson, 1993.
MLA引文Hawken, Paul. The Ecology of Commerce: How Business Can Save the Planet. London: Weidenfeld & Nicolson, 1993.
警告：这些引文格式不一定是100％准确.