Siwiński, W., & Marer, P. (1988). Creditworthiness and Reform in Poland: Western and Polish Perspectives. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSiwiński, Włodzimierz, और Paul Marer. Creditworthiness and Reform in Poland: Western and Polish Perspectives. Indiana University Press, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSiwiński, Włodzimierz, और Paul Marer. Creditworthiness and Reform in Poland: Western and Polish Perspectives. Indiana University Press, 1988.
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