APA Style
Keene, C.
(2009).
Nancy Drew and the Clue Crew : Earth Day Escapade
.
New York:
Aladin Papaerback.
MLA Style
Keene, Carolyn.
"Nancy Drew and the Clue Crew : Earth Day Escapade".
New York:
Aladin Papaerback,
2009.
Buku SMP Athalia.