Dyfyniad APA

Mesarović, M. D., & Pestel, E. (1974). Mankind at the turning point: The second report to the Club of Rome (First edition.). New American Library.

Dyfyniad Arddull Chicago

Mesarović, Mihajlo D., and Eduard Pestel. Mankind at the Turning Point: The Second Report to the Club of Rome. First edition. New York: New American Library, 1974.

Dyfyniad MLA

Mesarović, Mihajlo D., and Eduard Pestel. Mankind at the Turning Point: The Second Report to the Club of Rome. First edition. New American Library, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.