Apps, Jerold W., author
Jossey-Bass , 1985
Buku Teks
Apps, Jerold W., author
Jossey-Bass Publishers, 1985
Buku Teks
Boissoneau, Robert
An Aspen Publ., 1980
Buku Teks
Edited by Barrie Brennan
ACER, 1996
Buku Teks
William G. ASP....[et.al] author
The Shoe String Press , 1985
Buku Teks