APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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