Gaya APA
Lammers, William W.. (1976).
Presidential politics : patterns and prospects .
Amerika Serikat:
Harper & Row Publishers.
Gaya Chicago
Lammers, William W..
Presidential politics : patterns and prospects.
Amerika Serikat:
Harper & Row Publishers,
1976.
Text.
Gaya MLA
Lammers, William W..
Presidential politics : patterns and prospects.
Amerika Serikat:
Harper & Row Publishers,
1976.
Text.
Gaya Turabian
Lammers, William W..
Presidential politics : patterns and prospects.
Amerika Serikat:
Harper & Row Publishers,
1976.
Print.