edited by Marc Treib
MIT Press, 1993
Buku Teks
Austin, Richard L. ; Dawson, Kerry ; Musiak, Thomas A. ; Scerbo, William, edited
Van Nostrand Reinhold Company, 1985
Buku Referensi
Weilacher, Udo, author
Birkhauser, 1999
Buku Teks
Weilacher, Udo, author
Birkhauser, 1999
Buku Teks
Berrizbeitia, Anita, author
Rockport, 1999
Buku Teks