Gaya APA
Arnold, Virginia A.. (1989).
Changes .
New york:
Macmillan Publishing Company.
Gaya Chicago
Arnold, Virginia A..
Changes.
New york:
Macmillan Publishing Company,
1989.
Buku.
Gaya MLA
Arnold, Virginia A..
Changes.
New york:
Macmillan Publishing Company,
1989.
Buku.
Gaya Turabian
Arnold, Virginia A..
Changes.
New york:
Macmillan Publishing Company,
1989.
Buku.