Billings, Keith H., author
Van Nostrand Reinhold, 1993
Buku Referensi
Rahmat Ali, author
Majas, 2009
Buku Teks
Morgan, James, author
McGraw-Hill, 2005
Buku Teks
Martino, R.L., author
McGraw-Hill, 1968
Buku Teks
Gordon, Gill, author
International Planned Parenthood Federation , 1988
Buku Teks