Cita APA

Hartl, K. (1958). Pressure-Groups in Great Britain: An attempt at systematic classification. Les cahiers de Bruges. - Collège d'Europe.

Citación estilo Chicago

Hartl, Klaus. "Pressure-Groups in Great Britain: An Attempt at Systematic Classification." Les Cahiers De Bruges. - Collège D'Europe 1958.

Cita MLA

Hartl, Klaus. "Pressure-Groups in Great Britain: An Attempt at Systematic Classification." Les Cahiers De Bruges. - Collège D'Europe, 1958.