Gaya APA

Christie, A. (2007). Poirot's Early Cases: Kasus-Kasus Perdana Poirot . Jakarta: PT. Gramedia Pustaka Utama.

Gaya MLA

Christie, Agatha. "Poirot's Early Cases: Kasus-Kasus Perdana Poirot". Jakarta: PT. Gramedia Pustaka Utama, 2007. Fiction.