Calhoun, C., Price, P., & Timmer, A. (2002). Understanding September 11: Project coord. by the Social Science Research Council, New York. Craig Calhoun, Paul Price, Ashley Timmer (eds.). The New Press.
Lua i Stíl Chicago (17ú heag.)Calhoun, Craig, Paul Price, agus Ashley Timmer. Understanding September 11: Project Coord. by the Social Science Research Council, New York. Craig Calhoun, Paul Price, Ashley Timmer (eds.). New York, NY: The New Press, 2002.
Lua MLA (8ú heag.)Calhoun, Craig, et al. Understanding September 11: Project Coord. by the Social Science Research Council, New York. Craig Calhoun, Paul Price, Ashley Timmer (eds.). The New Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.