Kreps, J. M. (1964). Taxation, spending, and the national debt. Holt, Rinehart and Winston.
Chicago-viite (17. p.)Kreps, Juanita Morris. Taxation, Spending, and the National Debt. New York: Holt, Rinehart and Winston, 1964.
MLA-viite (8. p.)Kreps, Juanita Morris. Taxation, Spending, and the National Debt. Holt, Rinehart and Winston, 1964.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.