Gaya APA
Christie, A.
(2018).
Poirot's early cases, kasus-kasus perdana poirot
.
Jakarta:
Pt.Gramedia.
Gaya MLA
Christie, Agatha.
"Poirot's early cases, kasus-kasus perdana poirot".
Jakarta:
Pt.Gramedia,
2018.
Text.