Hansen, P. (2013). Green in gridlock: Common goals, common ground, and compromise (First edition.). Texas A & M University Press.
Chicago-Zitierstil (17. Ausg.)Hansen, Paul. Green in Gridlock: Common Goals, Common Ground, and Compromise. First edition. College Station: Texas A & M University Press, 2013.
MLA-Zitierstil (9. Ausg.)Hansen, Paul. Green in Gridlock: Common Goals, Common Ground, and Compromise. First edition. Texas A & M University Press, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.