Berman, I., & Gingrich, N. (2013). Implosion: The end of Russia and what it means for America. Regnery Publishing, Inc., an Eagle Publishing Company.

Berman, Ilan, and Newt Gingrich. Implosion: The End of Russia and What It Means for America. Washington, DC: Regnery Publishing, Inc., an Eagle Publishing Company, 2013.

Berman, Ilan, and Newt Gingrich. Implosion: The End of Russia and What It Means for America. Regnery Publishing, Inc., an Eagle Publishing Company, 2013.