Sellnow, Deanna D.

The challenge of effective speaking :in a digital age / …で: Sellnow, Deanna D.; Verderber, Kathleen S.,1949-; Verderber, Rudolph F. (言語・文字資料 (印刷物))

Communicate! / …で: Sellnow, Deanna D.; Verderber, Kathleen S.,1949-.; Verderber, Rudolph F. (言語・文字資料 (印刷物))