Walsh, John Edward, 1927-, author
Asian Productivity Organization , 1973
Buku Teks
Hunt, Alfred
N.Y. John Wiley & Sons , 1977
Buku Teks
Stepanek, Joseph E.
The Free Press , 1960
Buku Teks
Durie, Bruce, author
[publisher not identified], 2001
Buku Teks
Keith, Lyman A., author
McGraw-Hill, 1958
Buku Teks