Cita APA

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

Citación estilo Chicago

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

Cita MLA

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