Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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