APA-viite (7. p.)
Shull, S. A. (2006). Policy by other means: Alternative adoption by presidents. Texas A&M University Press.
Chicago-viite (17. p.)
Shull, Steven A. Policy by Other Means: Alternative Adoption by Presidents. College Station: Texas A&M University Press, 2006.
MLA-viite (9. p.)
Shull, Steven A. Policy by Other Means: Alternative Adoption by Presidents. Texas A&M University Press, 2006.
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