Herber, B. P. (1983). Modern public finance (5th ed.). R.D. Irwin.
Lua i Stíl Chicago (17ú heag.)Herber, Bernard P. Modern Public Finance. 5th ed. Homewood, Ill.: R.D. Irwin, 1983.
Lua MLA (8ú heag.)Herber, Bernard P. Modern Public Finance. 5th ed. R.D. Irwin, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.