Anderson, Lowell, author
Prentice-Hall, 1971
Buku Teks
Lorenzo, Renato Di, 1944-, author
[Springer, ], 2012
eBooks
Davis, Sid, author
[American Management Association, ], 2005
eBooks
Crissy, W.J.E.
John Wiley & Sons, 1977
Buku Teks
Lapp, Charles L.
McGraw-Hill, 1957
Buku Teks