Christie, Agatha, 1890-1976
Gramedia Pustaka Utama, 2017
Buku Teks SO
Lenin, Vladimir I.
Foreign Languages Publishing House , [date of publication not identified]
Buku Teks SO
Longrigg, Stephen Hemsley
Frederick A. Praeger, 1958
Buku Teks SO
Plaskitt, Harold
University Tujorial Press, 1950
Buku Teks
The Stationery Office, 1999
Buku Teks