Neuman, L. (2006). Social Reserch Metods. Univercity of wisconsin at whitewater.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNeuman, Lawrence. Social Reserch Metods. Univercity of wisconsin at whitewater, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNeuman, Lawrence. Social Reserch Metods. Univercity of wisconsin at whitewater, 2006.
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