Hopkins, J. W. (1989). The eradication of smallpox: Organizational learning and innovation in international health. Westview Press.
芝加哥风格引文Hopkins, Jack W. The Eradication of Smallpox: Organizational Learning and Innovation in International Health. Boulder, Colo.: Westview Press, 1989.
MLA引文Hopkins, Jack W. The Eradication of Smallpox: Organizational Learning and Innovation in International Health. Westview Press, 1989.
警告：这些引文格式不一定是100％准确.