Thiroux, Jacques P. author
Prentice-Hall, 1995
Buku Teks
Simorangkir, O. P., author
Aksara Persada Indonesia , 1989
Buku Teks
Jacobalis, Samsi, author
Sagung Seto, 2005
Buku Teks
Matsushita, Konosuke, author
Mitra Utama, 1994
Buku Teks
Westview Press , 1989
Buku Teks