Lewicki, Roy J.
McGraw-Hill , 2015
Buku Teks
Lewicki, Roy J.
McGraw-Hill, 2000
Buku Teks
Roy J. Lewicki, Saunders David M., Minton John W., Barry Bruce
McGraw-HIll, 2003
Buku Teks
Ritchie, J.B.
West Publshing Company, 1980
Buku Teks
Lovelock, Christopher H.
McGraw-Hill, 1985
Buku Teks