Shull, S. A. (2006). Policy by other means: Alternative adoption by presidents. Texas A & M University Press.
Chicago-Zitierstil (17. Ausg.)Shull, Steven A. Policy by Other Means: Alternative Adoption by Presidents. College Station: Texas A & M University Press, 2006.
MLA-Zitierstil (9. Ausg.)Shull, Steven A. Policy by Other Means: Alternative Adoption by Presidents. Texas A & M University Press, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.