Ogburn, W. F. (1964). Social change with respect to culture and original nature (New 1950 ed. with supplementary chapter.). P. Smith.
Lua i Stíl Chicago (17ú heag.)Ogburn, William Fielding. Social Change with Respect to Culture and Original Nature. New 1950 ed. with supplementary chapter. Gloucester, Mass.: P. Smith, 1964.
Lua MLA (8ú heag.)Ogburn, William Fielding. Social Change with Respect to Culture and Original Nature. New 1950 ed. with supplementary chapter. P. Smith, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.