Van der Plas, Rob
Bicycle Books, 1993
Buku Teks SO
Mccarthy, Cormac
Vintage International, 2006
Buku Teks SO
Hamilton, Mark
Neo-tech books, 2000
Buku Teks
Mereghetti, Paolo
Abrams, 2012
Buku Referensi
McCarthy, Helen
Overlook Press, 1996
Buku Teks SO