Cita APA (7th ed.)

Beer ,. (1969). Modern British politics: A study of parties and pressure groups (2nd ed.). Faber.

Cita Chicago (17th ed.)

Beer. Modern British Politics: A Study of Parties and Pressure Groups. 2nd ed. London: Faber, 1969.

Cita MLA (9th ed.)

Beer. Modern British Politics: A Study of Parties and Pressure Groups. 2nd ed. Faber, 1969.