Penggayaan APA
ROOP, Peter. (2001).
Christopher Columbus .
New York:
Scholastic.
Chicago Style
ROOP, Peter.
Christopher Columbus.
New York:
Scholastic,
2001.
Buku.
MLA Style
ROOP, Peter.
Christopher Columbus.
New York:
Scholastic,
2001.
Buku.
Turabian Style
ROOP, Peter.
Christopher Columbus.
New York:
Scholastic,
2001.
Buku.