Penggayaan APA
KEPPEL, geoffrey. (1991).
Design and analysis: .
New York:
Prentice - Hall.
Chicago Style
KEPPEL, geoffrey.
Design and analysis:.
New York:
Prentice - Hall,
1991.
Buku.
MLA Style
KEPPEL, geoffrey.
Design and analysis:.
New York:
Prentice - Hall,
1991.
Buku.
Turabian Style
KEPPEL, geoffrey.
Design and analysis:.
New York:
Prentice - Hall,
1991.
Buku.