Gaya APA
Kreml, William P.. (1985).
A Model of Politics .
New York:
Macmilan Publishing Company.
Gaya Chicago
Kreml, William P..
A Model of Politics.
New York:
Macmilan Publishing Company,
1985.
Buku.
Gaya MLA
Kreml, William P..
A Model of Politics.
New York:
Macmilan Publishing Company,
1985.
Buku.
Gaya Turabian
Kreml, William P..
A Model of Politics.
New York:
Macmilan Publishing Company,
1985.
Buku.