Gaya APA
Christie, A., Tantani, J. (2018).
Tiga Belas Kasus (The Thirteen Problem) .
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Christie, Agatha., Tantani, Julanda.
"Tiga Belas Kasus (The Thirteen Problem)".
Jakarta:
Gramedia Pustaka Utama,
2018.
Text.