APA Format
Maria Etty. ().
Di Pintu Iman (True Story)
. : Elex Media Komputindo.
MLA Format
Maria Etty.
Di Pintu Iman (True Story)
. : Elex Media Komputindo,
Chicago Format
Maria Etty. Di Pintu Iman (True Story). : Elex Media Komputindo, .