Churchill, Winston, Sir, 1874-1965
Houghton Miffiln, 1949
Buku Teks
Coleman, Verna
Melbourne University Press, Melbourne Univ. Press
Buku Teks
Departemant of Information of Republic of Indonesia, 1969
Buku Teks
Tubbs, Carol Crellin
Slack Incorporated, 2012
Buku Teks
Shaw-Ros Byam
Hongkong : Page One Publishing, 2004,
Buku Referensi