Alexander, Linda Lewis, author
Jones & Bartlett Learning, 2014
Buku Teks
World Health Organization
SEARO, 1998
Buku Teks
Saltman, Deborah, author
Harcourt Brace Jovanovich, 1991
Buku Teks
Williams, Norma
Tiger Books International, 1990
Buku Referensi
Thorsons, 2000
Buku Teks