Mattaini, M. A., & Thyer, B. A. (1996). Finding solutions to social problems: Behavioral strategies for change. American Psychological Association.
Lua i Stíl Chicago (17ú heag.)Mattaini, Mark A., agus Bruce A. Thyer. Finding Solutions to Social Problems: Behavioral Strategies for Change. Washington, DC: American Psychological Association, 1996.
Lua MLA (9ú heag.)Mattaini, Mark A., agus Bruce A. Thyer. Finding Solutions to Social Problems: Behavioral Strategies for Change. American Psychological Association, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.