Dyfyniad APA

Martin, D. L., & Frayer, D. W. (1997). Troubled times: Violence and warfare in the past; war and society. Gorden and Breach.

Dyfyniad Arddull Chicago

Martin, Debra L., and David W. Frayer. Troubled Times: Violence and Warfare in the Past; War and Society. Australia: Gorden and Breach, 1997.

Dyfyniad MLA

Martin, Debra L., and David W. Frayer. Troubled Times: Violence and Warfare in the Past; War and Society. Gorden and Breach, 1997.

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