Pitelis, C., & Sugden, R. (1991). The Nature of the transnational firm. Routledge.
芝加哥风格引文Pitelis, Christos, 与 Roger Sugden. The Nature of the Transnational Firm. London ; New York: Routledge, 1991.
MLA引文Pitelis, Christos, 与 Roger Sugden. The Nature of the Transnational Firm. Routledge, 1991.
警告：这些引文格式不一定是100％准确.