Gaya APA
Amrih, P., Widayanti, E.
(2009).
The Darkness of Gatotkaca
.
Jakarta:
Diva Press.
Gaya MLA
Amrih, Pitoyo., Widayanti, Elis.
"The Darkness of Gatotkaca".
Jakarta:
Diva Press,
2009.
Book.