Gaya APA
TOLLISON, R, D., F., S, I, W. (2005).
Policy Challenges and Political Responses (1st ed.).
Boston, MA:
Springer.
Gaya MLA
TOLLISON, Robert, D.., F., Shughart, II,, William.
"Policy Challenges and Political Responses".
1st ed.
Boston, MA:
Springer,
2005.
E Book.