Harkreader, Helen, author
Saunders , 2007
Buku Teks
Carl Thompson, Dawn Dowding, Anne Marie Rafferty, editor
Churchill Livingstone Elsevier, 2009
Buku Teks
Harkreader, Helen, author
Saunders, 2007
Buku Teks
Elsevier, 2006
Buku Teks
Smith, Sandra F. (Sandra Fucci)
Appleton & lange , 1996
Buku Teks