Dòng Nội dung
1
Giving presentations / Mark Ellis, Nina O Driscoll.
Harlow, England : Longman, 1992.
96 tr. : ill. ; 25 cm.
2
Giving presentations / Mark Ellis; Nina O Driscoll.
Longman, 1992.
96 p. ; 23 cm.
3
Making contact / Nina O Driscoll, Fiona Scott-Barrett.
Harlow : Longman, 1991.
96p. : ill(some col.) ; 25cm.