edited by Arthur C. Giese, John S. Pearse and Vicki B. Pearse
Blackwell Scientific , 1987
Buku Teks
Strathmann, Megumi F.
University of Washington Press, 1992
Buku Teks
Toynbee, Arnold J.
Oxford University Press , 1948
Buku Referensi
Ferguson, John Alexander
National Library of Australia, 1977
Buku Referensi
penyunting, Soenartono Adisoemarto [and others]
Departemen Pendidikan dan Kebudayaan, 1993
Buku Referensi