Silverman, William A., author
Oxford University Press, 1985
Buku Teks
McNeill, Paul M.
Cambridge University Press, 1993
Buku Teks
Springer, 2012
eBooks
McConnell, John H., author
[American Management Association;, ], 2011
eBooks
Largan, Claire, author
Sage, 2019
Buku Teks