Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.