Poltorak, A., & Lerner, P. (2002). Essentials of intellectual property. Wiley.
芝加哥风格引文Poltorak, Alexander, 与 Paul Lerner. Essentials of Intellectual Property. New York ; [Great Britain]: Wiley, 2002.
MLA引文Poltorak, Alexander, 与 Paul Lerner. Essentials of Intellectual Property. Wiley, 2002.
警告：这些引文格式不一定是100％准确.