Dyfyniad APA

Wallensteen, P. (2019). Understanding conflict resolution (Fifth edition.). SAGE.

Dyfyniad Arddull Chicago

Wallensteen, Peter. Understanding Conflict Resolution. Fifth edition. Los Angeles: SAGE, 2019.

Dyfyniad MLA

Wallensteen, Peter. Understanding Conflict Resolution. Fifth edition. SAGE, 2019.

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