edited by Alex Byrne, David R. Hilbert
MIT Press, 1997
Buku Referensi
edited by Alex Byrne, David R. Hilbert
MIT Press, 1997
Buku Referensi
Whelan, Bride M.
Rockport Publishers, 1997
Multimedia
Whelan, Bride M.
Rockport Publishers, 1997
Multimedia
Engdahl, David A., author
Chilton Books, 1967
Buku Teks