edited by Cary L. Cooper, Ivan T. Robertson
John Wiley & Sons, 1990
Buku Teks
edited by Cary L. Cooper, Ivan T. Robertson
John Wiley & Sons, 2000
Buku Teks
Auerbach, Alan J.
Brown & Benchmark, 1996
Buku Teks
Nicolson, Paula
MacMillan Education, 1986
Buku Teks
Quinn, Virginia Nichols
McGraw-Hill, 1995
Buku Teks