bibliografias

http://www.android.com/
http://es.wikipedia.org/wiki/Android
https://www.google.com.mx/search?hl=es-419&site=imghp&tbm=isch&source=hp&biw=1920&bih=942&q=android&oq=android&gs_l=img.3..0l10.1233.3314.0.3771.7.6.0.1.1.0.195.1112.0j6.6.0....0...1ac.1.27.img..0.7.1119.SZiD_BjkzgQ
http://www.celularesandroid.com/
http://www.applesfera.com/apple/voy-a-destruir-android-la-biografia-de-steve-jobs-promete-ser-incendiaria