Cita APA (7th ed.)

Duverger, M., & Magoner. (1972). Party politics and pressure groups: A comparative introduction. Nelson.

Cita Chicago (17th ed.)

Duverger, Maurice, i Magoner. Party Politics and Pressure Groups: A Comparative Introduction. London: Nelson, 1972.

Cita MLA (9th ed.)

Duverger, Maurice, i Magoner. Party Politics and Pressure Groups: A Comparative Introduction. Nelson, 1972.