Não informado. (1977). Government Finance Statistics Yearbook. International Monetary Fund.
Chicago-viite (17. p.)Não informado. Government Finance Statistics Yearbook. Washington: International Monetary Fund, 1977.
MLA-viite (8. p.)Não informado. Government Finance Statistics Yearbook. International Monetary Fund, 1977.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.