Niazi, Kausar
SH. Muhammad Ashraf, 1975
Buku Teks
Peel, Robert
Henry Holt and Company, 1958
Buku Teks
F.X. Wibowo Ardhi
Kanisius, 1993
Buku Teks
Beasley, Norman
Buell, Sloan and Pearce, 1952
Buku Teks
Niazi, Kausar
Sh. Muhammad Ashraf, 1976
Buku Teks