Lovelock, Christopher H., author
McGraww-Hill, 1993
Buku Teks
Glueck, William F., author
Business Publications , 1978
Buku Teks
Lewicki, Roy J., author
Salemba Humanika, 2013
Buku Teks
Lewicki, Roy J., author
Salemba Humanika, 2013
Buku Teks
Lewicki, Roy J., author
Richard D. Irwin, 1985
Buku Teks