Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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