6Sprelo,Llc. lnternet Marketing of Real Estate. 2011.9.
7Kamer Rob.Marketing For The 21st Century The Internet And The Real Estate Industry.Allied Academies International Conference. Academy of Legal, Ethical and Regulatory Issues. 2005.9.
8Real Estate Connect SF 2005 Is all About the Internet Customer, Global Technology Conference Highlights Innovations in Online Real Estate Marketing and Digital Media.Business Wire 2005.4.