Gaya APA
Oxford American Dictionary. (1982).
New York:
Avon.
Gaya Chicago
Oxford American Dictionary.
Cet.1.
New York:
Avon,
1982.
Textbook.
Gaya MLA
Oxford American Dictionary.
Cet.1.
New York:
Avon,
1982.
Textbook.
Gaya Turabian
Oxford American Dictionary.
New York:
Avon,
1982.
Textbook.