APA Style
Christie, A, 1., Mareta, .
(2007).
Tragedi Tiga Babak
.
:
PT. Gramedia Pustaka Utama.
MLA Style
Christie, Agatha,, 1890-1976., Mareta, .
"Tragedi Tiga Babak".
:
PT. Gramedia Pustaka Utama,
2007.
Text.