Forsyth, Frederick, 1938-, author
Bantam Books, 1995
Buku Teks
LeMay, Harold, author
Facts on File, 1988
Buku Referensi
Creswell, H. B.
Academy Chicago Publishers, 2000
Buku Teks
Brown, Christy, author
Secker & Warburg, 1976
Buku Teks
Long, David
Scribner, 1997
Buku Teks