APA aipamena

Helpman, E., & Persson, T. (1998). Lobbying and legislative bargaining. National Bureau of Economic Research.

Chicago Style aipamena

Helpman, Elhanan, and Torsten Persson. Lobbying and Legislative Bargaining. Cambridge: National Bureau of Economic Research, 1998.

MLA aipamena

Helpman, Elhanan, and Torsten Persson. Lobbying and Legislative Bargaining. National Bureau of Economic Research, 1998.