edited by Ralph M. Kramer and Harry Specht
Prentice-Hall, 1969
Buku Teks
edited by Ralph M. Kramer, Harry Specht
Prentice-Hall, 1983
Buku Teks
Nicoll, William, author
Harvester Wheatsheaf, 1994
Buku Teks
edited by Harold J. Burbach
Pendell, 1977
Buku Teks
Chowdhury, G.G., author
Facet Publishing, 2007
Buku Teks