Gaya APA

Christie, A., S., S, A. (1985). The Mystery Of The Blue Train /Misteri Kereta Api Biru . jakarta: PT.Gramedia Pustaka Utama.

Gaya MLA

Christie, Agatha., S., Suwarni, A.. "The Mystery Of The Blue Train /Misteri Kereta Api Biru". jakarta: PT.Gramedia Pustaka Utama, 1985. Text.