Owen, Tim Buckley, 1948-
Successful enquiry answering every time
Facet, 2012
 Buku Teks SO
Owen, Tim Buckley, 1948-
Success at the enquiry desk: successful enquiry answering - every time
Facet Publishing, 2006
 Buku Teks SO
Kammen, Michael
A Time to every purpose
The University of North Carolina Press, 2004
 Buku Teks
Gaynor, Gerard H.
What every new manager needs to know: making a successful transition to management
American Management Association, 2004
 eBooks
Maxey, Cyndi
10 steps to successful time management
American Society for Training & Development, 2010
 eBooks