Gaya APA
Whitney, David C, Whitney, Robin Vaughn. (2001).
The American Presidents .
New York:
Reader\'s Digest.
Gaya Chicago
Whitney, David C, Whitney, Robin Vaughn.
The American Presidents.
New York:
Reader\'s Digest,
2001.
Text Book.
Gaya MLA
Whitney, David C, Whitney, Robin Vaughn.
The American Presidents.
New York:
Reader\'s Digest,
2001.
Text Book.
Gaya Turabian
Whitney, David C, Whitney, Robin Vaughn.
The American Presidents.
New York:
Reader\'s Digest,
2001.
Text Book.