SILLS, D. L. [. (1972). The international encyclopedi of social sciences 11-12. Macmillan and The Free Press.
Lua i Stíl Chicago (17ú heag.)SILLS, David L. [Ed.]. The International Encyclopedi of Social Sciences 11-12. New York: Macmillan and The Free Press, 1972.
Lua MLA (9ú heag.)SILLS, David L. [Ed.]. The International Encyclopedi of Social Sciences 11-12. Macmillan and The Free Press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.