Bjorklund, David F., author
Wadsworth and Cengage Learning, 2012
Buku Teks
edited by Miroslaw Pawlak
Springer, 2012
eBooks
Academic Press, 2013
eBooks
edited by Cary L. Cooper and Roy Payne
Wiley, 1991
Buku Teks
edited by Cary L. Cooper
John Wiley & Sons, 1991
Buku Teks