Weller, Bart, author
Springer, 2012
eBooks
Paytress, Mark, author
Parragon, 2011
Buku Referensi
Lewis, Jenny, author
Vermilion, 1995
Buku Referensi
Weaver, James L., author
Springer, 2012
eBooks
Alschuler, Lise N., author
Celestial Arts, 2010
Buku Teks