APA (7 वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. (2017). Public procurement in Peru: Reinforcing capacity and co-ordination. OECD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. Public Procurement in Peru: Reinforcing Capacity and Co-ordination. Paris: OECD, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. Public Procurement in Peru: Reinforcing Capacity and Co-ordination. OECD, 2017.
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