Lieber, R. J. (2007). The American era: Power and strategy for the 21st century (1st pbk. ed. with updates and a postscript.). Cambridge University Press.
Цитирование в стиле Чикаго (17-е изд.)Lieber, Robert J. The American Era: Power and Strategy for the 21st Century. 1st pbk. ed. with updates and a postscript. Cambridge: Cambridge University Press, 2007.
Цитирование MLA (9-е изд.)Lieber, Robert J. The American Era: Power and Strategy for the 21st Century. 1st pbk. ed. with updates and a postscript. Cambridge University Press, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.