Porter, M. (1985). Competitive advantage. Free press.
芝加哥风格引文Porter, Michael. Competitive Advantage. New york: Free press, 1985.
MLA引文Porter, Michael. Competitive Advantage. Free press, 1985.
警告：这些引文格式不一定是100％准确.
APA引文
Porter, M. (1985). Competitive advantage. Free press.
芝加哥风格引文Porter, Michael. Competitive Advantage. New york: Free press, 1985.
MLA引文Porter, Michael. Competitive Advantage. Free press, 1985.