APA (7 वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development, ProQuest (Firm), & Martin-Hurtado, R. (2005). Environmental management in Eastern Europe, Caucasus and Central Asia. OECD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development, ProQuest (Firm), और Roberto Martin-Hurtado. Environmental Management in Eastern Europe, Caucasus and Central Asia. Paris: OECD, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development, et al. Environmental Management in Eastern Europe, Caucasus and Central Asia. OECD, 2005.
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