APA (7th ed.) Zitazioa
(1993). The maintenance of infrastructure and its financing and cost recovery. United Nations Centre for Human Settlement.
Chicago Style (17th ed.) Zitazioa
The Maintenance of Infrastructure and Its Financing and Cost Recovery. Nairobi: United Nations Centre for Human Settlement, 1993.
MLA (9th ed.) Zitazioa
The Maintenance of Infrastructure and Its Financing and Cost Recovery. United Nations Centre for Human Settlement, 1993.
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