Gaya APA
Clack, George. (2010).
Barack Obama Presiden AS ke 44 .
New York:
America Gov.
Gaya Chicago
Clack, George.
Barack Obama Presiden AS ke 44.
New York:
America Gov,
2010.
Non-fiction.
Gaya MLA
Clack, George.
Barack Obama Presiden AS ke 44.
New York:
America Gov,
2010.
Non-fiction.
Gaya Turabian
Clack, George.
Barack Obama Presiden AS ke 44.
New York:
America Gov,
2010.
Non-fiction.