Gaya APA
Ferejohn, J, A. (1974).
Pork Barrel Politics Rivers And Harbors Legislation .
Stanfor, California:
Stanford Universit Press.
Gaya MLA
Ferejohn, John, A..
"Pork Barrel Politics Rivers And Harbors Legislation".
Stanfor, California:
Stanford Universit Press,
1974.
Text.