Clark,Michael K.
Algeria in Turmoil : a history of the Rebellion
Frederick A. Praeger, 1959
 Buku Teks
Wilson, Donald W.
The long journey from turmoil to self-sufficiency
Yayasan Persada Nusantara, 1989
 Buku Teks
Sieh, Kerry
The earth in turmoil: earthquakes, volcanoes, and their impact on humankind / Kerry Sieh, Simon LeVay
W.H. Freeman and Company , 1999
 Buku Teks
Brzezinski, Zbigniev K.
Out of control : global turmoil on the eve of the Twenty-First century / Zbigniew Brzezinski
Macmillan Publishing Company, 1993
 Buku Teks
W. Wasis
The turmoil at Talangsari: a splinter of the darul islam movement/W. Wasis
Balai Pustaka, 2003
 Buku Teks SO