Citazione Stile APA (7a Edizione)
(1998). User charging for government services: Best practice guidelines and case studies. OECD.
Citazione stile Chigago Style (17a edizione)
User Charging for Government Services: Best Practice Guidelines and Case Studies. Paris: OECD, 1998.
Citatione MLA (9a ed.)
User Charging for Government Services: Best Practice Guidelines and Case Studies. OECD, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.