APA

United States, . (2015). Green and mean: can the new U.S. economy be both climate-friendly and competitive? : hearing before the Commission on Security and Cooperation in Europe, One Hundred Eleventh Congress, first session, March 10, 2009. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2015. Green and mean: can the new U.S. economy be both climate-friendly and competitive? : hearing before the Commission on Security and Cooperation in Europe, One Hundred Eleventh Congress, first session, March 10, 2009. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2015). Green and mean: can the new U.S. economy be both climate-friendly and competitive? : hearing before the Commission on Security and Cooperation in Europe, One Hundred Eleventh Congress, first session, March 10, 2009. Washington: U.S. Government Publishing Office.

MLA

United States, . Green and mean: can the new U.S. economy be both climate-friendly and competitive? : hearing before the Commission on Security and Cooperation in Europe, One Hundred Eleventh Congress, first session, March 10, 2009. Washington: U.S. Government Publishing Office. 2015.