Chishti, Amatullah Armstrong
Pakistan : Paramount Pulishing Enterprise, 1994
Buku Teks
Chishti, Amatullah Amstrong
Oxford University Press, 2005
Buku Teks
Marsh, Ken
Simon and Schuster, 1982
Buku Teks
Cooper, J.C.
Thames and Hudson, 1978
Buku Referensi
Moon, Glenn W.
Holt, Rinehart and Winston, 1964
Buku Teks