Hewitt, D. (1993). Military Expenditures 1972-1990: The Reasons Behind the Post-1985 Fall in World Military Spending. International Monetary Fund.
Citazione stile Chigago Style (17a edizione)Hewitt, Daniel. Military Expenditures 1972-1990: The Reasons Behind the Post-1985 Fall in World Military Spending. Washington, D.C.: International Monetary Fund, 1993.
Citatione MLA (8a ed.)Hewitt, Daniel. Military Expenditures 1972-1990: The Reasons Behind the Post-1985 Fall in World Military Spending. International Monetary Fund, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.