Citazione Stile APA (7a Edizione)

Brook, P. J., & Smith, S. (2001). Contracting for public services: Output-based aid and its applications. World Bank.

Citazione stile Chigago Style (17a edizione)

Brook, Penelope J., e Suzanne Smith. Contracting for Public Services: Output-based Aid and Its Applications. Washington, DC: World Bank, 2001.

Citatione MLA (9a ed.)

Brook, Penelope J., e Suzanne Smith. Contracting for Public Services: Output-based Aid and Its Applications. World Bank, 2001.