Παραπομπή APA

Due, J. F., & Friedlaender, A. F. (1973). Government finance: Economics of the public sector (5th ed.). Richard D. Irwin.

Παραπομπή Chicago Style

Due, John F., και Ann F. Friedlaender. Government Finance: Economics of the Public Sector. 5th ed. Richard D. Irwin, 1973.

Παραπομπή MLA

Due, John F., και Ann F. Friedlaender. Government Finance: Economics of the Public Sector. 5th ed. Richard D. Irwin, 1973.