Penggayaan APA
SPECTRUM :. (1994).
New Jersey:
Prentice Hall Regents.
Chicago Style
SPECTRUM :.
.
New Jersey:
Prentice Hall Regents,
1994.
Buku.
MLA Style
SPECTRUM :.
.
New Jersey:
Prentice Hall Regents,
1994.
Buku.
Turabian Style
SPECTRUM :.
New Jersey:
Prentice Hall Regents,
1994.
Buku.