Dyfyniad APA

Sivard, R. L. (1987). World military and social expenditures, 1987-88. World Priorities.

Dyfyniad Arddull Chicago

Sivard, Ruth Leger. World Military and Social Expenditures, 1987-88. Washington, D.C: World Priorities, 1987.

Dyfyniad MLA

Sivard, Ruth Leger. World Military and Social Expenditures, 1987-88. World Priorities, 1987.

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