Charron, C.G.
Behavior: a guide for managers
Macmillan, 1976
 Buku Teks
Ecotourism : a guide for planners and managers
edited by Kreg Lindberg and Donald E. Hawkins
Ecotourism Society, 1993
 Buku Teks SO
Thompson, Leigh L.
Making the team : a guide for managers
Pearson - Prentice Hall, 2008
 Buku Teks
Stewart, Rosemary
The reality of organizations : a guide for managers
Macmillan, 1993
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Taylor, James
A survival guide for project managers
American Management Association, 2006
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