World Health Organization
World Health Organization, 1981
Buku Teks
World Health Organization
World Health Organization, 1996
Buku Teks
Stolten, Jane Henry
Little, Brown & Co., 1981
Buku Teks
Videbeck, Sheila L., author
Lippincott, 2001
Buku Teks
Peter Aggleton, Jane Hurry, Ian Warwick, editor
John Wiley & Sons, 2000
Buku Teks