The challenge of effective speaking /

per Verderber, Rudolph,, Verderber, Kathleen S., 1949-., Sellnow, Deanna D.,
Publicat 2008

Inter-act : using interpersonal communication skills /

per Verderber, Rudolph F.
Publicat 1998

The Challenge of effective speaking /

per Verderber, Rudolph F.
Publicat 2012

The challenge of effective speaking /

per Verderber, Rudolph F.
Publicat 2008

Communicate! /

per Verderber, Rudolph F.
Publicat 2008