Dale Carnegie/ J. Oliver Crom/ Michael A. Crom
(1)
Duane S. Boning (EDT)/ Katia Devriendt (EDT)/ Michael R. Oliver (EDT)/ David J. Stein (EDT)/ Ingrid Vos (EDT)
(1)
Edited by Duane S. Boning 、Katia Devriendt 、Michael R. Oliver 、David J. Stein 、Ingrid Vos
(1)
J. Oliver Crom (EDT)/ Michael Crom/ J. Oliver Crom/ Michael Crom (EDT)/ Dale Carnegie (COR)/ John Dossett (NRT)
(1)
Oliver Luckett/ Michael J. Casey
(1)
Oliver Luckett; Michael J. Casey
(1)
Teri J. Edelstein/ Oliver Green/ Neil Harris/ Michael Twyman
(1)