edited by John Straton-Ferrier
PAN Books, 1970
Buku Teks
Rotman, Morris B., author
VGM Career Books,, 2001
Buku Teks
Waldrep, Lee W., author
John Wiley & Sons, 2010
Buku Teks
Waldrep, Lee W., author
John Wiley & Sons, 2010
Buku Teks
Sacks, Terrence J.
VGM Career Harizons , 1993
Buku Teks