Gaya APA
Crook, Elizabeth. (1981).
Music .
New Jersey:
Silver Burdett Company.
Gaya Chicago
Crook, Elizabeth.
Music.
New Jersey:
Silver Burdett Company,
1981.
Buku.
Gaya MLA
Crook, Elizabeth.
Music.
New Jersey:
Silver Burdett Company,
1981.
Buku.
Gaya Turabian
Crook, Elizabeth.
Music.
New Jersey:
Silver Burdett Company,
1981.
Buku.