APA (7 वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2007). Mapping policy for electricity, water and transport. OECD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development और ProQuest (Firm). Mapping Policy for Electricity, Water and Transport. Paris: OECD, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development और ProQuest (Firm). Mapping Policy for Electricity, Water and Transport. OECD, 2007.
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