Urquhart-Brown, Susan
American Management Association, 2008
eBooks
Greene, Gardiner G.
McGraw-Hill, 1975
Buku Teks
Albert, Kenneth J.
McGraw-Hill, 1981
Buku Teks
Hodgetts, Richard M.
Harcourt College Publishers, 2001
Buku Teks
Hatten, Timothy S.
South Western Cengage Learning, 2012
Buku Teks