APA (7 वां संस्करण) प्रशस्ति पत्र
Gräb, J. (2009). Econometric analysis in poverty research: With case studies from developing countries. Peter Lang.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Gräb, Johannes. Econometric Analysis in Poverty Research: With Case Studies from Developing Countries. Frankfurt am Main ; New York: Peter Lang, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Gräb, Johannes. Econometric Analysis in Poverty Research: With Case Studies from Developing Countries. Peter Lang, 2009.
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