Dòng Nội dung
1
Active listening : expanding understanding through content / Marc Helgesen, Steven Brown, Dorolyn Smith; Lê Huy Lâm.
Tp.Hồ Chí Minh : Nxb.Thành phố Hồ Chí Minh, 2000
xi,341p. : col. ill., col. maps ; 25 cm.



2
Active listening 3 : expanding understanding through context : student's book/ Marc Helgesen, Steven Brown, Dorolyn Smith
Cambridge : Cambridge University Press, 1996
xi, 2-70 p. : col. ill., col. maps ; 25 cm.