Sashkin, Marshall, 1944-
A Managers guide to participative management
American Managemant Association, 1982
 Buku Teks
Ecotourism : a guide for planners and managers
edited by Kreg Lindberg and Donald E. Hawkins
Ecotourism Society, 1993
 Buku Teks SO
Sweet, Donald H.
Decruitment : a guide for managers
Addison-Wesley, 1975
 Buku Teks
Taylor, James
A survival guide for project managers
American Management Association, 2006
 eBooks
Thompson, Leigh L.
Making the team : a guide for managers
Pearson/Prentice Hall, 2004
 Buku Teks SO