Syed Nawab Ali
Some moral and religious teachings of Al-Ghazzali / Syed Nawab Ali
Shaikh Muhammad Ashraf, 1946
 Buku Teks
Fakhry, Majid
Ethical theories in Islam
E.J. Brill, 1994
 Buku Teks
Sharma, I.C.
Ethical philosophy of India / I.c. Sharma
Johsen Publishing Company, 1965
 Buku Teks
Russell, Bertrand, 1872-1970
Philosophy and politics
National Book League, 1947
 Buku Teks
Fakhry, Majid
Ethical theories in Islam
Brill Academic, 1994
 Buku Teks