APA (7 वां संस्करण) प्रशस्ति पत्र
Kovanen, A. (2006). Why do prices in Sierra Leone change so often?: A case study using micro-level price data. International Monetary Fund, African Dept..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Kovanen, Arto. Why Do Prices in Sierra Leone Change so Often?: A Case Study Using Micro-level Price Data. [Washington, D.C.]: International Monetary Fund, African Dept., 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Kovanen, Arto. Why Do Prices in Sierra Leone Change so Often?: A Case Study Using Micro-level Price Data. International Monetary Fund, African Dept., 2006.
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