Gaya APA
Levy, Leonard W.. (1994).
Encyclopedia of the American Presidency (1).
:
Simon & Schuster.
Gaya Chicago
Levy, Leonard W..
Encyclopedia of the American Presidency.
1
:
Simon & Schuster,
1994.
Non Fiction.
Gaya MLA
Levy, Leonard W..
Encyclopedia of the American Presidency.
1
:
Simon & Schuster,
1994.
Non Fiction.
Gaya Turabian
Levy, Leonard W..
Encyclopedia of the American Presidency.
1
:
Simon & Schuster,
1994.
Non Fiction.