Zukav, Gary
Alvabet , 2006
Buku Teks
Wells, H.G., author
Londo [etc.] Collins 1922
Buku Teks
Khan, Mohammed Yamin, author
Muhammad Ashraf, 1947
Buku Teks
Crick, Francis, 1916-, author
Simon and Schuster, 1994
Buku Teks
Casey, Edward S., 1939-, author
Spring Publications, 1991
Buku Teks