Lua APA (7ú heag.)

(1977). Sociological Theory. Mc GrawHill.

Lua i Stíl Chicago (17ú heag.)

Sociological Theory. Mc GrawHill, 1977.

Lua MLA (8ú heag.)

Sociological Theory. Mc GrawHill, 1977.

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