Epstein, Lita, author
John Wiley & Sons, 2009
Buku Teks
Hancock, William A., author
McGraw-Hill, 1982
Buku Teks
by Curtis E. Tate Jr. ... [and others]
Business Publication, 1982
Buku Teks
Hodgetts, Richard M., author
Harcourt College Publishers, 2001
Buku Teks
Hatten, Timothy S., author
South Western Cengage Learning, 2012
Buku Teks