Harrison, Richard, author
Churchile Livingstone, 2001
Buku Teks
Sheehy, Susan Budassi
Mosby, 1992
Buku Teks
Harrison, Richard, author
Churchill Livingstone, 2011
Buku Teks
Proehl, Jean A., author
W.B. Saunders, 1999
Buku Teks
Selfridge-Thomas, Judy
W.B. Saunders , 1995
Buku Teks