APA Style
MARTORELLA, Peter. (1979).
Elementary Social Studies as a Learning System .
Hoboken, NJ:
Harper dan Row.
Chicago Style
MARTORELLA, Peter.
Elementary Social Studies as a Learning System.
Hoboken, NJ:
Harper dan Row,
1979.
Bahasa Inggris.
MLA Style
MARTORELLA, Peter.
Elementary Social Studies as a Learning System.
Hoboken, NJ:
Harper dan Row,
1979.
Bahasa Inggris.
Turabian Style
MARTORELLA, Peter.
Elementary Social Studies as a Learning System.
Hoboken, NJ:
Harper dan Row,
1979.
Bahasa Inggris.