APA (7 वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2008). Environmental policy, technological innovation and patents. OECD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development और ProQuest (Firm). Environmental Policy, Technological Innovation and Patents. Paris: OECD, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development और ProQuest (Firm). Environmental Policy, Technological Innovation and Patents. OECD, 2008.
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