Sivard, R. L. (1987). World military and social expenditures, 1987-88. World Priorities.
Chicagoスタイル(17版)引用形式Sivard, Ruth Leger. World Military and Social Expenditures, 1987-88. Washington, D.C: World Priorities, 1987.
MLA(9版)引用形式Sivard, Ruth Leger. World Military and Social Expenditures, 1987-88. World Priorities, 1987.
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