Love, Alaina, author
McGraw-Hill, 2009
Buku Teks
Sinek, Simon, author
Portfolio/Penguin, 2009
Buku Teks
Baldoni, John, 1952-
American Management Association;, 2009
eBooks
Cuervo, Jorge, author
ATD Press, 2015
Buku Teks
Miller, Mark, author
Berrett-Koehler, 2011
Buku Teks