Heller, P. S. (1990). International comparisons of government expenditure revisited: The developing countries, 1975-86. International Monetary Fund.
Cita Chicago (17th ed.)Heller, Peter S. International Comparisons of Government Expenditure Revisited: The Developing Countries, 1975-86. Washington: International Monetary Fund, 1990.
Cita MLA (9th ed.)Heller, Peter S. International Comparisons of Government Expenditure Revisited: The Developing Countries, 1975-86. International Monetary Fund, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.