Gaya APA
Firdaus, Putra. (2010).
Mostly Ghostly .
Depok:
Asma nadia publishing house.
Gaya Chicago
Firdaus, Putra.
Mostly Ghostly.
Depok:
Asma nadia publishing house,
2010.
Text.
Gaya MLA
Firdaus, Putra.
Mostly Ghostly.
Depok:
Asma nadia publishing house,
2010.
Text.
Gaya Turabian
Firdaus, Putra.
Mostly Ghostly.
Depok:
Asma nadia publishing house,
2010.
Print.