Belsky, Scott, author
Noura Books, 2016
Buku Teks
Newport, Cal, author
Noura Books, 2016
Buku Teks
Kurnit, Paul, author
[American Management Association;, ], 2011
eBooks
Gutsche, Jeremy, 1978-, author
Crown Business, 2015
Buku Teks
Burkus, David, 1983-, author
Jossey-Bass, 2014
Buku Teks