Gaya APA
Christie, A.
(1926).
The Murder Of Roger Ackroyd: Agatha Christie
.
Inggris:
HarperCollins Publishers.
Gaya MLA
Christie, Agatha.
"The Murder Of Roger Ackroyd: Agatha Christie".
Inggris:
HarperCollins Publishers,
1926.
Karya Cetak.