Stone, Raymond J., author
John Wiley & Sons, 1995
Buku Teks
Armstrong, Michael, author
Crest Publishing House, 1999
Buku Teks
Bohlander, George W., author
South Western Cengage Learning, 2013
Buku Teks
Dessler, Gary, 1942-, author
Pearson, 2015
Buku Teks
Dessler, Gary, 1942-, author
Pearson Education, 2015
Buku Teks