APA (7 वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. (1991). Oecd economic surveys: Czech and slovak federal republic 1991. OECD Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. Oecd Economic Surveys: Czech and Slovak Federal Republic 1991. Paris, France: OECD Publishing, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Organisation for Economic Co-operation and Development. Oecd Economic Surveys: Czech and Slovak Federal Republic 1991. OECD Publishing, 1991.
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