Penggayaan APA
NEWELL, Frederick. (2000).
Loyalty-com : .
New York:
McGraw-Hill.
Chicago Style
NEWELL, Frederick.
Loyalty-com :.
New York:
McGraw-Hill,
2000.
Buku.
MLA Style
NEWELL, Frederick.
Loyalty-com :.
New York:
McGraw-Hill,
2000.
Buku.
Turabian Style
NEWELL, Frederick.
Loyalty-com :.
New York:
McGraw-Hill,
2000.
Buku.