Gaya APA
Sullivan, George. (2000).
Abraham Lincoln .
USA:
Scholastic.
Gaya Chicago
Sullivan, George.
Abraham Lincoln.
USA:
Scholastic,
2000.
Text.
Gaya MLA
Sullivan, George.
Abraham Lincoln.
USA:
Scholastic,
2000.
Text.
Gaya Turabian
Sullivan, George.
Abraham Lincoln.
USA:
Scholastic,
2000.
Print.