Iqbals, Allama Sir Muhammad
Muhammad Ashraf, 1948
Buku Teks
Wolff, Robert Lee, author
Garland Publishing, 1981
Buku Referensi
Downham, Jenny
David Flicking Books, 2007
Buku Teks
Bienkowski, Andrew, author
Pocket Books, 2009
Buku Teks
Nin, Anais, author
Penguin Books, 2001
Buku Teks