Meggs, Philip B.
John Wiley & Sons, 1998
Buku Teks
Laurel Saville, Steve Gordhan, Jodhua Berger, Sarch Dougher, editor
Page one publishing pte ltd, 2011
Buku Referensi
Labuz, Ronald
Van Nostrand Reinhold, 1993
Buku Teks SO
Newark, Quentin
RotoVision, 2002
Buku Teks SO
Eskilson, Stephen
Laurence King , 2012
Buku Teks SO