Oxford University Press, 1997
Buku Referensi
F.X. Wibowo Ardhi
Kanisius, 1993
Buku Teks
Niazi, Kausar
SH. Muhammad Ashraf, 1975
Buku Teks
Niebuhr, Reinhold, author
Charles Scribner's Sons, 1949
Buku Teks
Jones, Robert P. (Robert Patrick), author
Simon & Schuster Paperbacks, 2017
Buku Teks