De Mare, George
John Wiley , 1979
Buku Teks
Pickering, Thomas
Fireside, 1997
Buku Teks
Hovard R., author
A Clinical Communications Book, 1986
Buku Referensi
Howard R., author
A Clinical Communications Book, 1986
Buku Referensi
Howard R., author
A Clinical Communications Book, 1986
Buku Referensi