Gaya APA
Christie, A.
(2007).
Poirot's Early Cases = Kasus- kasus perdana Pairot
.
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Christie, Agatha.
"Poirot's Early Cases = Kasus- kasus perdana Pairot".
Jakarta:
Gramedia Pustaka Utama,
2007.
Book.