APA-viite (7. p.)

Duverger, M., Pressure groups, & Wagover, R. (1972). Party politics and pressure groups: A comparative introduction. Thomas Nelson.

Chicago-viite (17. p.)

Duverger, Maurice, Pressure groups, ja Robert Wagover. Party Politics and Pressure Groups: A Comparative Introduction. London, Eng: Thomas Nelson, 1972.

MLA-viite (9. p.)

Duverger, Maurice, et al. Party Politics and Pressure Groups: A Comparative Introduction. Thomas Nelson, 1972.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.