Gupta, D. (1992). Social stratification (Second and enlarged edition.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Gupta, Dipankar. Social Stratification. Second and enlarged edition. Delhi ; New York: Oxford University Press, 1992.
Lua MLA (8ú heag.)Gupta, Dipankar. Social Stratification. Second and enlarged edition. Oxford University Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.