Delvin, David; Christine Webber (May 2008). "The G-spot". Healthy Living. NetDoctor.co.uk. Archived from the original on 2008-10-16. Retrieved 2008-11-05.
Delvin, David; Christine Webber (May 2008). "The G-spot". Healthy Living. NetDoctor.co.uk. Archived from the original on 2008-10-16. Retrieved 2008-11-05.