BRINKERHORFF, D. B. (1988). Sociology David B. Brinkerhoff, Lynn K. White. West Publishing.
Lua i Stíl Chicago (17ú heag.)BRINKERHORFF, David B. Sociology David B. Brinkerhoff, Lynn K. White. West Publishing, 1988.
Lua MLA (8ú heag.)BRINKERHORFF, David B. Sociology David B. Brinkerhoff, Lynn K. White. West Publishing, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.