Gaya APA
SPERRY,Amstrong. (1963).
Call it Courage .
New York:
Scholastic inc.
Gaya Chicago
SPERRY,Amstrong.
Call it Courage.
New York:
Scholastic inc,
1963.
Text.
Gaya MLA
SPERRY,Amstrong.
Call it Courage.
New York:
Scholastic inc,
1963.
Text.
Gaya Turabian
SPERRY,Amstrong.
Call it Courage.
New York:
Scholastic inc,
1963.
Print.