Gaya APA
Christie, A. (2008).
And Then There Were None=Lalu Semuanya Lenyap .
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Christie, Agatha.
"And Then There Were None=Lalu Semuanya Lenyap".
Jakarta:
PT Gramedia Pustaka Utama,
2008.
Koleksi Elektronik.