Ballard, Robert D., author
National Geographic Society, 1983
Buku Referensi
L`Engle, Madeleine, author
Dell Publishing, 1978
Buku Teks
Brown, Keith C., author
McGraw-Hill, 2001
Buku Teks
ADAM, 2006
Multimedia
Yokoyama, John, author
Hyperion, 2004
Buku Teks