Gaya APA
Houghton, J.
(2007).
The Harry Potter Effect
(
Cet.1)
.
Yogyakarta:
Andi Yogyakarta.
Gaya MLA
Houghton, John.
"The Harry Potter Effect".
Cet.1
Yogyakarta:
Andi Yogyakarta,
2007.
Text.