edited by Andrew Eshleman
Blackwell, 2008
Buku Teks SO
Kurtich, John
Van Nostrand Reinhold, 1993
Buku Referensi
edited by Christian Schittich
Edition Detail, 2002
Buku Teks SO
Massachusetts: Rockport Publishers,, 1997
Buku Teks SO
Graphic-sha, edited
Graphic-sha, 1985
Buku Referensi