Não informado. (1948). Economic Indicators. Council of Economic Advisers.
Chicago-viite (17. p.)Não informado. Economic Indicators. Washington: Council of Economic Advisers, 1948.
MLA-viite (8. p.)Não informado. Economic Indicators. Council of Economic Advisers, 1948.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.