Turk, R. A., & Kenney, R. M. (1973). Selected readings in the social sciences. Learning Systems.
Lua i Stíl Chicago (17ú heag.)Turk, Robert A., agus Robert M. Kenney. Selected Readings in the Social Sciences. Homewood, IL: Learning Systems, 1973.
Lua MLA (9ú heag.)Turk, Robert A., agus Robert M. Kenney. Selected Readings in the Social Sciences. Learning Systems, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.