Ogburn, W. F., & Nimkoff, M. F. (1940). Sociology. Houghton Mifflin Company.
Lua i Stíl Chicago (17ú heag.)Ogburn, William F., agus Meyer F. Nimkoff. Sociology. Washington: Houghton Mifflin Company, 1940.
Lua MLA (8ú heag.)Ogburn, William F., agus Meyer F. Nimkoff. Sociology. Houghton Mifflin Company, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.