Smith, M. B., & Daugherty, C. R. (1945). Survey of social science (Rev. ed.). Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Smith, Marion Bush, agus Carroll Roop Daugherty. Survey of Social Science. Rev. ed. Boston: Houghton Mifflin, 1945.
Lua MLA (9ú heag.)Smith, Marion Bush, agus Carroll Roop Daugherty. Survey of Social Science. Rev. ed. Houghton Mifflin, 1945.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.