Boucher, D. (1998). User charging for government services. Best practice guidelines and case studies ([1st ed.].). OECD.
Citace podle Chicago (17th ed.)Boucher, Dale. User Charging for Government Services. Best Practice Guidelines and Case Studies. [1st ed.]. Paris: OECD, 1998.
Citace podle MLA (9th ed.)Boucher, Dale. User Charging for Government Services. Best Practice Guidelines and Case Studies. [1st ed.]. OECD, 1998.
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