Yorburg, B. (1982). Introduction to sociology. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Yorburg, Betty. Introduction to Sociology. New York: Harper & Row, 1982.
Lua MLA (9ú heag.)Yorburg, Betty. Introduction to Sociology. Harper & Row, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.