APA-viite (7. p.)

Roche, J. P., & Levy, L. W. (1964). Parties and pressure groups. Harcourt, Brace & World.

Chicago-viite (17. p.)

Roche, John Pearson, ja Leonard Williams Levy. Parties and Pressure Groups. New York: Harcourt, Brace & World, 1964.

MLA-viite (9. p.)

Roche, John Pearson, ja Leonard Williams Levy. Parties and Pressure Groups. Harcourt, Brace & World, 1964.