Dyfyniad APA

van den Dungen, P. (1980). Foundations of peace research. London: Bradford University.

Dyfyniad Arddull Chicago

van den Dungen, Peter. Foundations of Peace Research. London: Bradford University, 1980.

Dyfyniad MLA

van den Dungen, Peter. Foundations of Peace Research. London: Bradford University, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.