1. Organisation for Economic Co-operation and Development. Guidelines for Consumer Protection in the Context of Electronic Commerce, 15 March 2000.
2. Parker, L. Explosion of Phone Spam, The Sydney Morning Herald, Sydney, 18 August 2010.
3. Paypal. M-commerce secure insight. Australia, March 2011.
4. Rosenbloom, S. Cellphones Let Shoppers Point, Click and Purchase, The New York Times,26 February, 2010. Found at http://www.nytimes.com/2010/02/27/business/27shop.html