Não informado. (1977). Government Finance Statistics Yearbook. International Monetary Fund.
Chicago-Zitierstil (17. Ausg.)Não informado. Government Finance Statistics Yearbook. Washington: International Monetary Fund, 1977.
MLA-Zitierstil (8. Ausg.)Não informado. Government Finance Statistics Yearbook. International Monetary Fund, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.