Gaya APA
Keefe, W, [, M. (1964).
The American legislative process, Congress and the States. .
Englewood Cliffs:
NJ Prentice-Hall.
Gaya MLA
Keefe, W.J.,, [and], M.S.Ogul..
"The American legislative process, Congress and the States. ".
Englewood Cliffs:
NJ Prentice-Hall,
1964.
Buku.