Saunders, 2004
Buku Teks
Chaterine E. Burns, Nancy Barber, Margaret A. Brady, Ardys M. Dunn
W.B. Saunders Company, 1996
Buku Referensi
Sinclair, Maribetts, author
J.B. Lippincott, 2005
Buku Teks
Muscari, Mary E., author
Lippincot, 1996
Buku Teks
Wong, Donna L., 1948-, author
Mosby , 1986
Buku Teks