Thomas, K. (1975). Social stratification. Dept. of Publications and Extension Lectures, Bangalore University.
Lua i Stíl Chicago (17ú heag.)Thomas, Konrad. Social Stratification. Bangalore: Dept. of Publications and Extension Lectures, Bangalore University, 1975.
Lua MLA (8ú heag.)Thomas, Konrad. Social Stratification. Dept. of Publications and Extension Lectures, Bangalore University, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.