Bliss, Julie B., author
Prentice-Hall, 2002
Buku Teks
Skidmore-Roth, Linda, author
Mosby, Elsevier, 2009
Buku Referensi
Deglin, Judith Hopfer, 1950-, author
F.A. Davis Company, 1997
Buku Referensi
Parkinson, Joy, author
Churchill Livingstone, 2004
Buku Teks
Hjelm, Johan
John Wiley & Sons, 2001
Buku Referensi