van den Dungen, P. (1980). Foundations of peace research. London: Bradford University.
Cita Chicago Style (17a ed.)van den Dungen, Peter. Foundations of Peace Research. London: Bradford University, 1980.
Cita MLA (8a ed.)van den Dungen, Peter. Foundations of Peace Research. London: Bradford University, 1980.
Precaución: Estas citas no son 100% exactas.