Aho, James
State University of New York Press, 2005
Buku Teks
Ali, Mohamed bin
Imperial College Press, 2016
Buku Teks
Campbell, Paul B.
Himmat Publications Trust , 1970
Buku Teks
Hill, John
Academic Press, 2018
Buku Teks
Bhutto, Fatima
Penguin Books, 2013
Buku Teks