Jung, Yeonkwon, author
Cengage Learning, 2017
Buku Teks
Singer, Larry M.
McGraw-Hill, 1992
Buku Teks
Levinson, Nan, author
[American Management Association;, ], 2000
eBooks
Treece, Malra, author
Allyn and Bacon, 1989
Buku Teks
Lesikar, Raymond V. (Raymond Vincent), author
Dow Jones-Irwin , 1974
Buku Teks