Evans, G.O., author
Taylor and Francis, 2009
Buku Teks
Rousseau, Ronald W., author
Elsevier, 2019
Buku Teks
Lynch, Christopher, author
Quintessence Publishing Co.Ltd., 2008
Buku Teks
Ahuja, Hira N., author
John Wiley & Sons, 1980
Buku Teks
by Curtis E. Tate Jr. ... [and others]
Business Publication, 1982
Buku Teks