Helpman, E., & Persson, T. (1998). Lobbying and legislative bargaining. National Bureau of Economic Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHelpman, Elhanan, और Torsten Persson. Lobbying and Legislative Bargaining. Cambridge: National Bureau of Economic Research, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHelpman, Elhanan, और Torsten Persson. Lobbying and Legislative Bargaining. National Bureau of Economic Research, 1998.
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