Gaya APA
SULLIVAN, George. (2002).
Helen Keller .
New York:
Scholastic Reference.
Gaya Chicago
SULLIVAN, George.
Helen Keller.
New York:
Scholastic Reference,
2002.
Text.
Gaya MLA
SULLIVAN, George.
Helen Keller.
New York:
Scholastic Reference,
2002.
Text.
Gaya Turabian
SULLIVAN, George.
Helen Keller.
New York:
Scholastic Reference,
2002.
Print.