Citazione Stile APA (7a Edizione)

(1993). The maintenance of infrastructure and its financing and cost recovery. United Nations Centre for Human Settlement.

Citazione stile Chigago Style (17a edizione)

The Maintenance of Infrastructure and Its Financing and Cost Recovery. Nairobi: United Nations Centre for Human Settlement, 1993.

Citatione MLA (9a ed.)

The Maintenance of Infrastructure and Its Financing and Cost Recovery. United Nations Centre for Human Settlement, 1993.