APA (7 वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. (2016). Improving issste's public procurement for better results. Organisation for Economic Co-operation and Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. Improving Issste's Public Procurement for Better Results. Paris, France: Organisation for Economic Co-operation and Development, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. Improving Issste's Public Procurement for Better Results. Organisation for Economic Co-operation and Development, 2016.
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