1. ABC News online. (2005). Sperm donor ordered to pay child support. (www.abc.net.au/news/newsitems/200510/s1481012.htm).
2. Artificial Human Reproduction Act. (2007). (http://law.moj.gov.tw/Eng/LawClass/LawAll.aspx?PCode=L0070024).
3. Assembly of the Republic, Law 32/2006 of 26 July, Human Assisted Reproduction, article 15 (http://www.dre.pt/pdfgratis/2006/07/14300.pdf).
4. Assisted Human Reproduction Act. (2004). (http://laws-lois.justice.gc.ca/PDF/A-13.4.pdf).