Jodidio, Philip
Taschen GMBH, 2011
Buku Referensi
Vidiella, Alex Sanchez, auditor
Page one publishing pte ltd, 2010
Buku Teks SO
Ford, Edward R.
MIT Press, 1990
Buku Teks SO
Uffelen, Chris van
Thames & Hudson, 2009
Buku Referensi
Ford, Edward R.
MIT Press, 1996
Buku Teks SO