Lua APA (7ú heag.)

Eitzen, D. S., & Zinn, M. B. (1989). Social problems (4th ed.). Allyn and Bacon.

Lua i Stíl Chicago (17ú heag.)

Eitzen, D. Stanley, agus Maxine Baca Zinn. Social Problems. 4th ed. Boston: Allyn and Bacon, 1989.

Lua MLA (9ú heag.)

Eitzen, D. Stanley, agus Maxine Baca Zinn. Social Problems. 4th ed. Allyn and Bacon, 1989.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.