Cerami, Charles A., author
Prentice-Hall, 1957
Buku Teks
Kendrick, Tom, author
[American Management Association;, ], 2011
eBooks
Hodges, Henry G., author
Houghton Miffiln, 1955
Buku Teks
Schleh, Edward C., author
McGraw-Hill, 1984
Buku Teks
Folts, Franklin Erton
McGraw-Hill, 1963
Buku Teks