Mitchell, Ewan
The executive's guide to successful speechmaking
Vertex Books, 1970
 Buku Teks
David, Mark
Guide to successful executive coaching: management development
[American Society for Training & Development Press, American Society for Training & Development Press], 2002
 eBooks
Chambers, John Carlton, 1928-
An executive's guide to forecasting
John Wiley & Sons, 1974
 Buku Teks
Chambers, John Carlton, 1928-
An Executive's guide to forecasting
John Wiley & Sons, 1974
 Buku Teks
The executive guide to integrated talent management
Kevin Oakes and Pat Galagan, editors
American Society for Training & Development, 2011
 eBooks