Gaya APA

Hopkins, J, W. (1989). The Eradication of Smallpox : Organizational Learning and Innovation in International Health (cet. 10). Boulder, San Francisco, London: Westview Press.

Gaya MLA

Hopkins, Jack, W.. "The Eradication of Smallpox : Organizational Learning and Innovation in International Health". cet. 10 Boulder, San Francisco, London: Westview Press, 1989. Monograf.