1999
Buku Teks
Salmon, Claudine, author
Editions de la Maison des sciences de l'homme, 1981
Buku Referensi
Haviland, H. Field, author
Carnegie Endowment for International Peace, 1951
Buku Teks
Perpustakaan Nasional RI, 1999
Buku Referensi
Hackworth, Green Haywood, author
Government Printing Office, 1944
Buku Teks