Buku Teks
Weber, Janet, author
J.B. Lippincott, 2001
Buku Teks
Bonehill, Jane, author
BlackWell Publishing, 2007
Buku Referensi
edited for the IPPF by Ronald L. Kleinman
International planned parenthood federation , 1986
Buku Teks
Gahart, Betty L., author
Mosby , 1995
Buku Referensi