Marquardt, M. J., & Berger, N. O. (2000). Global leaders for the twenty first century. State University of New York Press.
Lua i Stíl Chicago (17ú heag.)Marquardt, Michael J., agus Nancy O. Berger. Global Leaders for the Twenty First Century. Albany, NY: State University of New York Press, 2000.
Lua MLA (9ú heag.)Marquardt, Michael J., agus Nancy O. Berger. Global Leaders for the Twenty First Century. State University of New York Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.