Organisation for Economic Co-operation and Development & ProQuest (Firm). (2008). OECD economic surveys: Poland. OECD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOrganisation for Economic Co-operation and Development और ProQuest (Firm). OECD Economic Surveys: Poland. Paris: OECD, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOrganisation for Economic Co-operation and Development और ProQuest (Firm). OECD Economic Surveys: Poland. OECD, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.