APA (7e ed.) Bronvermelding

Due, J. F., & Friedlaender, A. F. (1977). Government finance: Economics of the public sector (6th ed.). Irwin.

Chicago (17e ed.) Bronvermelding

Due, John F., en Ann F. Friedlaender. Government Finance: Economics of the Public Sector. 6th ed. Illinois: Irwin, 1977.

MLA (9e ed.) Bronvermelding

Due, John F., en Ann F. Friedlaender. Government Finance: Economics of the Public Sector. 6th ed. Irwin, 1977.