Gilbert, Sara
Counselling for eating disorders / Sara Gilbert
Sage Publications, 2000
 Buku Teks
Miniaturization / edited by Horace D. Gilbert
Reinhold Publishing Corporation, 1961
 Buku Teks
The 2005 ASTD training & performance sourcebook
Mel Silberman, editor
American Society for Training & Development, 2005
 eBooks
The 2006 ASTD training & performance sourcebook
Mel Silberman, editor; Patricia Phillips, assistant editor
American Society for Training & Development, 2006
 eBooks
Reitman, Annabelle
Career moves: take charge of your training career now!
American Society for Training & Development, 2006
 eBooks