Gaya APA
Berry, C.E. (1990).
Sky and Earth .
USA:
Childrens Publishing.
Gaya Chicago
Berry, C.E.
Sky and Earth.
USA:
Childrens Publishing,
1990.
Text.
Gaya MLA
Berry, C.E.
Sky and Earth.
USA:
Childrens Publishing,
1990.
Text.
Gaya Turabian
Berry, C.E.
Sky and Earth.
USA:
Childrens Publishing,
1990.
Print.