Penggayaan APA
KOONTZ, Dean R.. (1989).
The Eyes of darkness .
Illinois:
Artington Heights.
Chicago Style
KOONTZ, Dean R..
The Eyes of darkness.
Illinois:
Artington Heights,
1989.
Buku.
MLA Style
KOONTZ, Dean R..
The Eyes of darkness.
Illinois:
Artington Heights,
1989.
Buku.
Turabian Style
KOONTZ, Dean R..
The Eyes of darkness.
Illinois:
Artington Heights,
1989.
Buku.