1. Adoption Network. “US Adoption Statistics.” Accessed August 3, 2020. https://adoptionnetwork.com/adoption-statistics.
2. Anonymous Us. “I Have Never Met My Donor ‘Father’ and I Have No Desire to Do So.” October 31, 2011. https://anonymousus.org/i-have-never-met-my-donor-father-and-i-have-no-desire-to-do-so/.
3. Ahuja, Kamal K. “Is the UK Sperm Donor Shortage a Myth?” BioNews, May 2015. https://www.bionews.org.uk/page_95041.
4. Almeling, Rene. “Opinion: The Unregulated Sperm Industry.” New York Times, November 30, 2013. https://www.nytimes.com/2013/12/01/opinion/sunday/the-unregulated-sperm-industry.html.