Michell, John, author
Thames and Hudson, 1991
Buku Teks
Karlina Leksono Supelli, author
Universitas Indonesia, 1994
UI - Tesis Membership
Sagan, Carl, author
Yayasan Obor Indonesia , 1997
Buku Teks
Gribbin, John, author
Penguin Book, 1998
Buku Teks
Ferris, Timothy
Simon & Schuster, 1997
Buku Teks