Gaya APA
Lewis, C.S.. (2006).
The Screwtape Letters (Cet.1).
Bandung:
CV Pionir Jaya.
Gaya Chicago
Lewis, C.S..
The Screwtape Letters.
Cet.1
Bandung:
CV Pionir Jaya,
2006.
Text.
Gaya MLA
Lewis, C.S..
The Screwtape Letters.
Cet.1
Bandung:
CV Pionir Jaya,
2006.
Text.
Gaya Turabian
Lewis, C.S..
The Screwtape Letters.
Cet.1
Bandung:
CV Pionir Jaya,
2006.
Print.