Maddison S, 21st Century science telecoms. Present knowledge, future trends. 2007, Cited 15/03/10, pg. 26
Heffield, J. Febuary 2010. Find the perfect mobile and plan for you. New Zealand PCWorld. Pgs:50, 52, 53, 54, 56, 57.
Telecom. 2010. Telecom Business Hub. 15/03/10. https://www.telecombusinesshub.co.nz/mobile/MobilePhones/Pages/Gallery.aspx
Vodafone. 2010. Our business phones. 17/03/10. http://www.vodafone.co.nz/business/mobile/our-phones.jsp
Slingshot. 2010. Mobile devices. 21/03/10. http://slingshot.co.nz/MobileDevices.aspx
Telecom. 2010. Telecom Business Hub. 17/04/10. https://www.telecombusinesshub.co.nz/mobile/MobilePlans/Pages/BusinesShare.aspx
*Journal reference also applies here*
Wikipedia. 2010. History of mobile phones. 16/04/10. http://en.wikipedia.org/wiki/History_of_mobile_phones
The daily post. 13/11/09. New cellphone laws right on the button, pg A6. Retrived from proquest database 19/04/10 .