Mesarović, M. D., & Pestel, E. (1974). Mankind at the turning point: The second report to the Club of Rome (First edition.). New American Library.
Lua i Stíl Chicago (17ú heag.)Mesarović, Mihajlo D., agus Eduard Pestel. Mankind at the Turning Point: The Second Report to the Club of Rome. First edition. New York: New American Library, 1974.
Lua MLA (8ú heag.)Mesarović, Mihajlo D., agus Eduard Pestel. Mankind at the Turning Point: The Second Report to the Club of Rome. First edition. New American Library, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.