National Academy Press, 2001
Buku Teks
Pasachoff, Jay M., author
Thomson, 2001
Buku Teks
R.B. Parry, C.R. Perkins, editor
Library Association Publishing, 2001
Buku Teks
Daghi, Ali Mohieddin Al-Qara, author
ISESCO, 1997
Buku Teks
Yager, R. Yan, author
Hannacroic Creek Book, 1999
Buku Teks