Laurie, Michael
Multi Matra Media, 1985
Buku Teks
Handler, A. Benjamin
Intermatra, 1986
Buku Teks
BooQs publisher data, 2010
Buku Referensi
edited by Steven Moorhead and Gordon Grice
Rockport Publisher, 1997
Buku Referensi
edited by Catherine Spellman
Actar, 2003
Buku Teks