Husiani, Ishak Musa, author
KHAYAT'S, 1956
Buku Teks
Korner, S., author
Penguin Books, 1955
Buku Teks
Friedrich-Ebert-Stiftung (FES), 2003
Buku Teks
Ali, Shaheen Sardar, author
Cambridge University Press, 2016
Buku Teks
Esposito, John L., author
New York : Oxford University Press, 1995,
Buku Referensi