APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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

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