Gaya APA

Christie, A. (2019). Curtain : poirot's last case = Tirai (Cet. 16). Jakarta: PT. Gramedia Pustaka Utama.

Gaya MLA

Christie, Agatha. "Curtain : poirot's last case = Tirai". Cet. 16 Jakarta: PT. Gramedia Pustaka Utama, 2019. Text.